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Stock Photos - THEORY (2,354 results)

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Stock Photo #4435-12053, DARWIN, Charles Robert (1809-1882). British naturalist, author of the theory of evolution by natural selection. Painting.
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DARWIN, Charles Robert (1809-1882). British naturalist, author of the theory of evolution by natural selection. Painting.
Stock Photo #4351-234, The Einstein Tower in Potsdam, Germany, which was designed to prove Einstein's theory of relativity by making solar observations. It is also renowned for its architecture.
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The Einstein Tower in Potsdam, Germany, which was designed to prove Einstein's theory of relativity by making solar observati...
The Einstein Tower in Potsdam, Germany, which was designed to prove Einstein's theory of relativity by making solar observations. It is also renowned for its architecture.
Stock Photo #1848-48878, Comparison of the skeletons of man and gorilla, evolution of mankind, relation between mankind and ape, theorie of evolution
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Comparison of the skeletons of man and gorilla, evolution of mankind, relation between mankind and ape, theorie of evolution
Stock Photo #1788-23821, Italy, Padua, page with theory of The Third Sound from Treatise of musical theory
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Italy, Padua, page with theory of The Third Sound from Treatise of musical theory
Stock Photo #1788-5727, Illustration of Barosaurus and theory of 'Eight Hearts'
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Illustration of Barosaurus and theory of 'Eight Hearts'
Stock Photo #4048-9528, Einstein's Four Equations. Einstein's new 'Generalized Theory of Gravitation'. The theory attempts to interrelate all known physical phenomena and bring relativity and the quantum theory into a single system. 1947.
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Einstein's Four Equations. Einstein's new 'Generalized Theory of Gravitation'. The theory attempts to interrelate all known p...
Einstein's Four Equations. Einstein's new 'Generalized Theory of Gravitation'. The theory attempts to interrelate all known physical phenomena and bring relativity and the quantum theory into a single system. 1947.
Stock Photo #1606-188537, England,London,Aldwych,Somerset House,Courtauld Gallery and Museum,Ceiling Painting Copy of Artwork titled ""The Theory of Art"" by Joshua Reynolds
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England,London,Aldwych,Somerset House,Courtauld Gallery and Museum,Ceiling Painting Copy of Artwork titled ""The Theory of Ar...
England,London,Aldwych,Somerset House,Courtauld Gallery and Museum,Ceiling Painting Copy of Artwork titled ""The Theory of Art"" by Joshua Reynolds
Stock Photo #1846-14995, Bouquet of flowers with garlands at a market stall, Chennai, Tamil Nadu, India
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Bouquet of flowers with garlands at a market stall, Chennai, Tamil Nadu, India
Stock Photo #4094-436, A theoretical physicist at work in his office.
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A theoretical physicist at work in his office.
Stock Photo #1657R-50788, Woman carrying shopping bags and talking on a mobile phone
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Woman carrying shopping bags and talking on a mobile phone
Stock Photo #1826R-1893, Businessman standing in corner
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Businessman standing in corner
Stock Photo #1663R-66274, Close_up of a fountain pen on a check
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Close_up of a fountain pen on a check
Stock Photo #1846-12891, Shopping mall lit up at night, Sahara Mall, MG Road, Gurgaon, Haryana, India
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Shopping mall lit up at night, Sahara Mall, MG Road, Gurgaon, Haryana, India
Stock Photo #1657R-50654, Bengali woman carrying shopping bags and talking on a mobile phone
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Bengali woman carrying shopping bags and talking on a mobile phone
Stock Photo #1848R-760589, E=mc², formula of the theory of relativity, written with chalk on a blackboard
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E=mc², formula of the theory of relativity, written with chalk on a blackboard
Stock Photo #1899-92321, Original signature of Nicolaus Copernicus (19 02 1473-24 05 1543), astronomer, mathematician, priest, discoverer of heliocentric cosmology theory .
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Original signature of Nicolaus Copernicus (19 02 1473-24 05 1543), astronomer, mathematician, priest, discoverer of heliocent...
Original signature of Nicolaus Copernicus (19 02 1473-24 05 1543), astronomer, mathematician, priest, discoverer of heliocentric cosmology theory .
Stock Photo #1824R-74493, Businessman
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Businessman
Stock Photo #1657R-32511, Cold drink bottles on a stall, New Delhi, India
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Cold drink bottles on a stall, New Delhi, India
Stock Photo #1824R-60403, Man and woman using a laptop computer
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Man and woman using a laptop computer
Stock Photo #4409-47678, CHARLES ROBERT DARWIN (1809-1882). Naturalista británico. Autor de la obra 'El origen de las especies', publicada en el año 1859. S. XIX. Grabado.
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CHARLES ROBERT DARWIN (1809-1882). Naturalista británico. Autor de la obra 'El origen de las especies', publicada en el año 1...
CHARLES ROBERT DARWIN (1809-1882). Naturalista británico. Autor de la obra 'El origen de las especies', publicada en el año 1859. S. XIX. Grabado.
Stock Photo #1824R-92002, Businessman concentrating on his work
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Businessman concentrating on his work
Stock Photo #4409-17541, American physicist of German origin.
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American physicist of German origin.
Stock Photo #1657R-30996, Assorted containers at a market stall
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Assorted containers at a market stall
Stock Photo #4128R-28125, Superstrings, conceptual computer artwork. The superstring theory is a Theory of Everything (Grand Unification Theory), which seeks to unite gravitational force with the other fundamental forces (electromagnetism and nuclear forces) that are already described by quantum mechanics at the atomic level. The theory states that fundamental particles such as quarks and electrons are not points of energy or matter, but result instead from the vibrations of one-dimensional \string-like\ entities on a fa
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Superstrings, conceptual computer artwork. The superstring theory is a Theory of Everything (Grand Unification Theory), which...
Superstrings, conceptual computer artwork. The superstring theory is a Theory of Everything (Grand Unification Theory), which seeks to unite gravitational force with the other fundamental forces (electromagnetism and nuclear forces) that are already described by quantum mechanics at the atomic level. The theory states that fundamental particles such as quarks and electrons are not points of energy or matter, but result instead from the vibrations of one-dimensional \string-like\ entities on a fa
Stock Photo #1846-12614, Souvenirs displayed at a store window, New Delhi, India
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Souvenirs displayed at a store window, New Delhi, India
Stock Photo #1942-1054, DALTON JOHN EAGLESFIELD CUMBERLAND 1766- MANCHESTER 1844 British physicist and chemist who created the Atomic Theory
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DALTON JOHN EAGLESFIELD CUMBERLAND 1766- MANCHESTER 1844 British physicist and chemist who created the Atomic Theory
Stock Photo #4105-4896, Man buying dog food in a supermarket
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Man buying dog food in a supermarket
Stock Photo #1826R-2559, Businesswoman thinking
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Businesswoman thinking
Stock Photo #1035-13294, England: c. 1875 Portrait of British scientist and naturalist Charles Darwin.
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England: c. 1875 Portrait of British scientist and naturalist Charles Darwin.
Stock Photo #1663R-67712, Mid section view of a man carrying shopping bags
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Mid section view of a man carrying shopping bags
Stock Photo #1895-10938, Sir Isaac Newton, English mathematician and physicist, 1727.
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Sir Isaac Newton, English mathematician and physicist, 1727.
Stock Photo #1895-17139, ‘To describe about a given focus any trajectory...’, 1687.
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‘To describe about a given focus any trajectory...’, 1687.
Stock Photo #1663R-65348, Portrait of a young man holding a wine bottle in a supermarket
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Portrait of a young man holding a wine bottle in a supermarket
Stock Photo #1663R-60730, Close_up of a man´s hands holding a packet of garlic
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Close_up of a man´s hands holding a packet of garlic
Stock Photo #1826R-12151, Businesspeople Teleconferencing
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Businesspeople Teleconferencing
Stock Photo #1566-1219876, Illustration in chalk of a human brain with a light bulb above it on a blackboard
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Illustration in chalk of a human brain with a light bulb above it on a blackboard
Stock Photo #1824R-87262, Man with hand on chin
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Man with hand on chin
Stock Photo #1663R-60237, Portrait of a young woman holding a top
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Portrait of a young woman holding a top
Stock Photo #1663R-60491, Young woman and a mid adult man standing in a supermarket and smiling
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Young woman and a mid adult man standing in a supermarket and smiling
Stock Photo #1824R-74443, Businessman writing on glass
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Businessman writing on glass
Stock Photo #1824R-74435, Businesspeople meeting
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Businesspeople meeting
Stock Photo #1846-13804, Men preparing chole bhature at a market stall, Chandni Chowk, Delhi, India
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Men preparing chole bhature at a market stall, Chandni Chowk, Delhi, India
Stock Photo #1846-15007, Shopping mall in a city, Express Avenue, Chennai, Tamil Nadu, India
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Shopping mall in a city, Express Avenue, Chennai, Tamil Nadu, India
Stock Photo #1663R-64695, Close_up of a mid adult man holding a weighing scale and smiling
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Close_up of a mid adult man holding a weighing scale and smiling
Stock Photo #4409-9445, Formulation of a heliocentric theory of the solar system of Nicolaus Copernicus (1473-1543). 15th century. Paris, private collection. Author: COPERNICUS, NICOLAUS. Location: PRIVATE COLLECTION, PARIS, FRANCE.
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Formulation of a heliocentric theory of the solar system of Nicolaus Copernicus (1473-1543). 15th century. Paris, private col...
Formulation of a heliocentric theory of the solar system of Nicolaus Copernicus (1473-1543). 15th century. Paris, private collection. Author: COPERNICUS, NICOLAUS. Location: PRIVATE COLLECTION, PARIS, FRANCE.
Stock Photo #1788-25262, On left, outlined drawings of rivers with basins; below left, note on lights and shadows; below right, study of proportionality of sides of triangle from Atlantic Codex (Codex Atlanticus) by Leonardo da Vinci, folio 401 recto
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On left, outlined drawings of rivers with basins; below left, note on lights and shadows; below right, study of proportionali...
On left, outlined drawings of rivers with basins; below left, note on lights and shadows; below right, study of proportionality of sides of triangle from Atlantic Codex (Codex Atlanticus) by Leonardo da Vinci, folio 401 recto
Stock Photo #1899-75074, Procession of Saints, by Artista veneto, 15th Century, xilografia,
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Procession of Saints, by Artista veneto, 15th Century, xilografia,
Stock Photo #1886-6200, FUMEROLE in the ALCEDO CRATER - ISLA ISABELLA, GALAPAGOS ISLANDS, ECUADOR
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FUMEROLE in the ALCEDO CRATER - ISLA ISABELLA, GALAPAGOS ISLANDS, ECUADOR
Stock Photo #1663R-66883, Portrait of a young man with a shopping cart
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Portrait of a young man with a shopping cart
Stock Photo #1828R-57156, Pinball Machine
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Pinball Machine
Stock Photo #1824R-91641, Girl with binoculars
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Girl with binoculars
Stock Photo #2003-602163, Close-up of a gourd in Royal Flora Expo exhibition, Chiang Mai, Thailand
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Close-up of a gourd in Royal Flora Expo exhibition, Chiang Mai, Thailand
Stock Photo #1826R-10554, Board of Directors in Meeting
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Board of Directors in Meeting
Stock Photo #1663R-64343, Mature man picking a bottle of wine from a shelf
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Mature man picking a bottle of wine from a shelf
Stock Photo #1824R-64252, Visionary businessman
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Visionary businessman
Stock Photo #1663R-62098, Portrait of a young woman holding a Chinese cabbage in a supermarket
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Portrait of a young woman holding a Chinese cabbage in a supermarket
Stock Photo #1558-58472, Man, young, manager game
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Man, young, manager game
Stock Photo #1846-12610, Facade of a store, New Delhi, India
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Facade of a store, New Delhi, India
Stock Photo #1846-12656, Clothes hanging in a clothing store, Ansal Plaza, New Delhi, India
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Clothes hanging in a clothing store, Ansal Plaza, New Delhi, India
Stock Photo #4325-274, Following in Einstein's Footprints: Dr. Andreas Eckhart and a Very Large Radio Telescope
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Following in Einstein's Footprints: Dr. Andreas Eckhart and a Very Large Radio Telescope
Stock Photo #1824R-82033, Young girl resting
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Young girl resting
Stock Photo #1558-97947, Desk, managers, Managerspiel, broached thoughtfully, portrait,, Fuzziness, Sits man, 30-40 years, 40-50 years, desk, thinks, thoughts, absent-mindedly, ball game pendulum game symbol, success theory, success, strategy, sense search, observes Bewusstsein
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Desk, managers, Managerspiel, broached thoughtfully, portrait,, Fuzziness, Sits man, 30-40 years, 40-50 years, desk, thinks, ...
Desk, managers, Managerspiel, broached thoughtfully, portrait,, Fuzziness, Sits man, 30-40 years, 40-50 years, desk, thinks, thoughts, absent-mindedly, ball game pendulum game symbol, success theory, success, strategy, sense search, observes Bewusstsein
Stock Photo #1663R-68276, Low section view of a woman holding a shopping bag and walking down stairs
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Low section view of a woman holding a shopping bag and walking down stairs
Stock Photo #1899-75073, Procession of Saints, by Artista veneto, 15th Century, xilografia,
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Procession of Saints, by Artista veneto, 15th Century, xilografia,
Stock Photo #1657R-50516, Portrait of a couple in traditional clothing holding shopping bags
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Portrait of a couple in traditional clothing holding shopping bags
Stock Photo #1558-126111, Blackboard, drawing, soccer field, game-train, school-blackboard, chalk, lines, drawn soccer ground, concept training football-training theory football-theory, strategy, concept, hobby, team-game, game, football, quietly life, explanation, demonstration,
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Blackboard, drawing, soccer field, game-train, school-blackboard, chalk, lines, drawn soccer ground, concept training footbal...
Blackboard, drawing, soccer field, game-train, school-blackboard, chalk, lines, drawn soccer ground, concept training football-training theory football-theory, strategy, concept, hobby, team-game, game, football, quietly life, explanation, demonstration,
Stock Photo #4105-4828, Woman holding a hanging basket in a greenhouse
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Woman holding a hanging basket in a greenhouse
Stock Photo #1657R-31081, Close_up of clothes displayed at a market stall
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Close_up of clothes displayed at a market stall
Stock Photo #4187-20226, Fractal Design of Rabbit's Foot Fern
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Fractal Design of Rabbit's Foot Fern
Stock Photo #1788-25289, Cogwheels, spool, levers, ropes and pulleys from Atlantic Codex (Codex Atlanticus) by Leonardo da Vinci, folio 421 verso
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Cogwheels, spool, levers, ropes and pulleys from Atlantic Codex (Codex Atlanticus) by Leonardo da Vinci, folio 421 verso
Stock Photo #1826R-9804, Co-workers Folding Paper Airplanes
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Co-workers Folding Paper Airplanes
Stock Photo #4128R-30624, This is a view of a Wolf-Rayet star that has exploded in a gamma ray burst (GRB) event. Two jets have erupted out of the core, through the surrounding nebula (blue). This is the collapsar theory of GRBs, which says GRBs result from the collapse of the core of a massive star, like Type II supernovae but even more powerful. The spin or magnetic field of the black hole forms jets from surrounding material that is being ejected at near the speed of light. The jets are the source of the gamma rays of
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This is a view of a Wolf-Rayet star that has exploded in a gamma ray burst (GRB) event. Two jets have erupted out of the core...
This is a view of a Wolf-Rayet star that has exploded in a gamma ray burst (GRB) event. Two jets have erupted out of the core, through the surrounding nebula (blue). This is the collapsar theory of GRBs, which says GRBs result from the collapse of the core of a massive star, like Type II supernovae but even more powerful. The spin or magnetic field of the black hole forms jets from surrounding material that is being ejected at near the speed of light. The jets are the source of the gamma rays of
Stock Photo #1663R-67217, Young man picking a shopping bag
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Young man picking a shopping bag
Stock Photo #1746-333, Darwin's Finches, The study of the flora of the Islands contributed to Charles Darwin's theory of evolution
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Darwin's Finches, The study of the flora of the Islands contributed to Charles Darwin's theory of evolution
Stock Photo #1663R-67944, Mid section view of a woman carrying a puppy
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Mid section view of a woman carrying a puppy
Stock Photo #1846-12952, Woman carrying shopping bags and smiling
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Woman carrying shopping bags and smiling
Stock Photo #1895-15698, ´Mechanics: Discovering Perpetual Motion (in a Wife´s Tongue)´, c 1830s.
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´Mechanics: Discovering Perpetual Motion (in a Wife´s Tongue)´, c 1830s.
Stock Photo #1663R-66021, Close_up of a young woman smelling perfume in a store
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Close_up of a young woman smelling perfume in a store
Stock Photo #4105-3774, Puppy sitting in a dog bowl in a supermarket
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Puppy sitting in a dog bowl in a supermarket
Stock Photo #1895-14124, Albert Einstein, German mathematical physicist, c 1930s.
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Albert Einstein, German mathematical physicist, c 1930s.
Stock Photo #1663R-63786, Side profile of a mature man holding a wine bottle
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Side profile of a mature man holding a wine bottle
Stock Photo #1663R-64486, Mid section view of a man holding a packet of garlic
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Mid section view of a man holding a packet of garlic
Stock Photo #1846-10396, Portrait of a woman with shopping bags
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Portrait of a woman with shopping bags
Stock Photo #1788-25270, Above left, study of weight of live animal and of dead animal; below left, measurement of apparent magnitude of Sun from Atlantic Codex (Codex Atlanticus) by Leonardo da Vinci, folio 407 verso
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Above left, study of weight of live animal and of dead animal; below left, measurement of apparent magnitude of Sun from Atla...
Above left, study of weight of live animal and of dead animal; below left, measurement of apparent magnitude of Sun from Atlantic Codex (Codex Atlanticus) by Leonardo da Vinci, folio 407 verso
Stock Photo #1846-1753, Actor portraying a tapori holding a credit card
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Actor portraying a tapori holding a credit card
Stock Photo #1663R-69645, Portrait of a senior man holding a bunch of bananas
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Portrait of a senior man holding a bunch of bananas
Stock Photo #1663R-59881, Close_up of a young couple choosing clothes in a store
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Close_up of a young couple choosing clothes in a store
Stock Photo #4105-5863, Woman carrying her son in a supermarket
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Woman carrying her son in a supermarket
Stock Photo #1846-12580, Chess pieces on a chessboard
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Chess pieces on a chessboard
Stock Photo #1846-12624, Stall of novelty jewelry in a street market, New Delhi, India
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Stall of novelty jewelry in a street market, New Delhi, India
Stock Photo #4105-4691, Packed food and vegetables in a supermarket
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Packed food and vegetables in a supermarket
Stock Photo #1525R-207641, Rice corn flakes in sacks at a market stall, Mercado Central, Cuzco, Peru
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Rice corn flakes in sacks at a market stall, Mercado Central, Cuzco, Peru
Stock Photo #1824R-88022, Businessman carrying potted plant
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Businessman carrying potted plant
Stock Photo #1826R-10674, Woman Holding Martini Glass
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Woman Holding Martini Glass
Stock Photo #1657R-39260, Portrait of a man hugging gifts
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Portrait of a man hugging gifts
Stock Photo #1657R-31560, Senior man and a mature woman shopping online
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Senior man and a mature woman shopping online
Stock Photo #1824R-77643, Electric typewriter and paper
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Electric typewriter and paper
Stock Photo #1895-10020, Louis Victor Broglie, French physicist, c 1930s.
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Louis Victor Broglie, French physicist, c 1930s.
Stock Photo #1826R-4257, Boy leaning against a tree
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Boy leaning against a tree
Stock Photo #1657R-33436, Woman carrying shopping bags
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Woman carrying shopping bags
Stock Photo #1826R-12149, Businessman Sitting at Conference Table with Co-workers
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Businessman Sitting at Conference Table with Co-workers
Stock Photo #1566-621829, Luthier workshop Manufacturing stringed musical instruments Handicraft
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Luthier workshop Manufacturing stringed musical instruments Handicraft
Stock Photo #1886-51705, SHORT-EARED OWL (Asio flammeus), one of the islands only predators - GALAPAGOS ISLANDS, ECUADOR
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SHORT-EARED OWL (Asio flammeus), one of the islands only predators - GALAPAGOS ISLANDS, ECUADOR
Stock Photo #4128R-16867, Calabi_yau manifolds, computer artwork. These six_dimensional shapes are thought to be the location of the extra six dimensions on top of the four known to exist predicted to exist by string theory.
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Calabi_yau manifolds, computer artwork. These six_dimensional shapes are thought to be the location of the extra six dimensio...
Calabi_yau manifolds, computer artwork. These six_dimensional shapes are thought to be the location of the extra six dimensions on top of the four known to exist predicted to exist by string theory.
Stock Photo #1657R-42303, Portrait of a family with shopping bags
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Stock Photo #1886-51728, The GALAPAGOS PENGUIN (Spheniscus mendiculus) is the most northerly penguin in the world - ISABELLA ISLAND, GALAPAGOS IS., ECUADOR
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The GALAPAGOS PENGUIN (Spheniscus mendiculus) is the most northerly penguin in the world - ISABELLA ISLAND, GALAPAGOS IS., EC...
The GALAPAGOS PENGUIN (Spheniscus mendiculus) is the most northerly penguin in the world - ISABELLA ISLAND, GALAPAGOS IS., ECUADOR
Stock Photo #1824R-84282, Cross_eyed boy
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Stock Photo #1566-369977, Dominoes dominoes, domino, domino effect, domino theory, balance, series, equilibrium, play, game, connection, business, chain reaction, support, consequence, strategy, sequence, sequential, tip, fall, tumble, plunge, plummet,
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Dominoes dominoes, domino, domino effect, domino theory, balance, series, equilibrium, play, game, connection, business, chai...
Dominoes dominoes, domino, domino effect, domino theory, balance, series, equilibrium, play, game, connection, business, chain reaction, support, consequence, strategy, sequence, sequential, tip, fall, tumble, plunge, plummet,
Stock Photo #1848-198509, Anatomical model of the head, labelled, brain functions
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Anatomical model of the head, labelled, brain functions
Stock Photo #1663R-66279, Close_up of a young couple choosing clothes in a store
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Stock Photo #1846-11699, People shopping at a street market, Haridwar, Uttarakhand, India
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People shopping at a street market, Haridwar, Uttarakhand, India
Stock Photo #1746-2508, Phrenology: measuring bumps on boy's head to assess his future. On wall is picture of Gall (1757-1828) founder of the theory that shape of skull related to intellectual capacity and behaviour. 1886 illustration by Frank Dadd looking back to c.1820. Chromolithograph
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Phrenology: measuring bumps on boy's head to assess his future. On wall is picture of Gall (1757-1828) founder of the theory ...
Phrenology: measuring bumps on boy's head to assess his future. On wall is picture of Gall (1757-1828) founder of the theory that shape of skull related to intellectual capacity and behaviour. 1886 illustration by Frank Dadd looking back to c.1820. Chromolithograph
Stock Photo #1558-97944, Desk, managers, Managerspiel, truncated thoughtfully, portrait, Fuzziness, sitting man, 30-40 years, 40-50 years, desk, thinking, thoughts, absent-mindedly, ball game pendulum game symbol, success theory, success, strategy, sense search, observing Bewus
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Desk, managers, Managerspiel, truncated thoughtfully, portrait, Fuzziness, sitting man, 30-40 years, 40-50 years, desk, think...
Desk, managers, Managerspiel, truncated thoughtfully, portrait, Fuzziness, sitting man, 30-40 years, 40-50 years, desk, thinking, thoughts, absent-mindedly, ball game pendulum game symbol, success theory, success, strategy, sense search, observing Bewus
Stock Photo #4409-9442, Astral map by Danish astronomer Tycho Brahe (1546-1601) presenting planets graviting around the Earth.. Paris, private collection. Author: BRAHE, TYCHO. Location: PRIVATE COLLECTION, PARIS, FRANCE.
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Astral map by Danish astronomer Tycho Brahe (1546-1601) presenting planets graviting around the Earth.. Paris, private collec...
Astral map by Danish astronomer Tycho Brahe (1546-1601) presenting planets graviting around the Earth.. Paris, private collection. Author: BRAHE, TYCHO. Location: PRIVATE COLLECTION, PARIS, FRANCE.
Stock Photo #1828R-51655, Matches on Fire
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Matches on Fire
Stock Photo #1663R-60449, Portrait of a young man holding a pineapple in a supermarket
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Portrait of a young man holding a pineapple in a supermarket
Stock Photo #1846-14171, Man preparing tea at a market stall, Chandni Chowk, Delhi, India
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Man preparing tea at a market stall, Chandni Chowk, Delhi, India
Stock Photo #1566-852323, Galapagos mockingbird Mimus parvulus in the Galapagos Island Archipelago, Ecuador. Galapagos mockingbird Mimus parvulus in the Galapagos Island Archipelago, Ecuador MORE INFO There are a total of 4 endemic species of mockingbirds in the Galapagos Islands, but this is the first species found by Charles Darwin during his visit in 1835 Mockingbirds had a greater influence than any other animal on his theory of evolution as this was the first species Darwin noticed differences in between islands
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Galapagos mockingbird Mimus parvulus in the Galapagos Island Archipelago, Ecuador. Galapagos mockingbird Mimus parvulus in th...
Galapagos mockingbird Mimus parvulus in the Galapagos Island Archipelago, Ecuador. Galapagos mockingbird Mimus parvulus in the Galapagos Island Archipelago, Ecuador MORE INFO There are a total of 4 endemic species of mockingbirds in the Galapagos Islands, but this is the first species found by Charles Darwin during his visit in 1835 Mockingbirds had a greater influence than any other animal on his theory of evolution as this was the first species Darwin noticed differences in between islands
Stock Photo #1566-1405782, London, England, UK. Tate Modern art gallery - bookshop.
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London, England, UK. Tate Modern art gallery - bookshop.
Stock Photo #1895-3859, John Dalton, English chemist, early 19th century.
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John Dalton, English chemist, early 19th century.
Stock Photo #2003-602175, Close-up of Kanom Sai being prepared
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Close-up of Kanom Sai being prepared
Stock Photo #1654-46467, Zodiacal Light Namibia
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Zodiacal Light Namibia
Stock Photo #1895-22372, Sir Isaac Newton, Enlgish mathematician and physicist, 1702.
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Sir Isaac Newton, Enlgish mathematician and physicist, 1702.
Stock Photo #4435-9812, DARWIN, Charles Robert (1809-1882). British naturalist, author of the theory of evolution by natural selection. Litography. UNITED KINGDOM. ENGLAND. Down House.
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DARWIN, Charles Robert (1809-1882). British naturalist, author of the theory of evolution by natural selection. Litography. U...
DARWIN, Charles Robert (1809-1882). British naturalist, author of the theory of evolution by natural selection. Litography. UNITED KINGDOM. ENGLAND. Down House.
Stock Photo #4105-5288, Portrait of a woman in a greenhouse
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Portrait of a woman in a greenhouse
Stock Photo #1895-10941, Sir Isaac Newton, English mathematician and physicist, c 1715.
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Sir Isaac Newton, English mathematician and physicist, c 1715.
Stock Photo #1657R-35831, Woman doing home shopping on a laptop
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Stock Photo #1657R-50275, Businessman holding a credit card sitting with a farmer holding a laptop, Hasanpur, Haryana, India
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Stock Photo #1824R-85237, Woman sitting against wall with floor plans
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Stock Photo #1846-3616, Assorted containers at a market stall, Jaisalmer, Rajasthan, India
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Assorted containers at a market stall, Jaisalmer, Rajasthan, India
Stock Photo #4435-12075, DARWIN, Charles Robert (1809-1882). British naturalist, author of the theory of evolution by natural selection. Post-Impressionism. Painting. UNITED KINGDOM. ENGLAND. Down House.
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DARWIN, Charles Robert (1809-1882). British naturalist, author of the theory of evolution by natural selection. Post-Impressi...
DARWIN, Charles Robert (1809-1882). British naturalist, author of the theory of evolution by natural selection. Post-Impressionism. Painting. UNITED KINGDOM. ENGLAND. Down House.
Stock Photo #4105-2432, Customers choosing plants in a greenhouse
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Customers choosing plants in a greenhouse
Stock Photo #1788-25287, Propagation of convergent and divergent rays of light from Atlantic Codex (Codex Atlanticus) by Leonardo da Vinci, folio 420 recto
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Propagation of convergent and divergent rays of light from Atlantic Codex (Codex Atlanticus) by Leonardo da Vinci, folio 420 ...
Propagation of convergent and divergent rays of light from Atlantic Codex (Codex Atlanticus) by Leonardo da Vinci, folio 420 recto
Stock Photo #1826R-5410, Woman with arms outstretched in woods
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Woman with arms outstretched in woods
Stock Photo #4105-2479, Man and his daughter shopping dog food in a supermarket
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Man and his daughter shopping dog food in a supermarket
Stock Photo #1663R-69499, Close_up of a man´s hands holding shopping bags
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Close_up of a man´s hands holding shopping bags
Stock Photo #4105-3293, Woman holding a shopping bag of groceries and showing currency notes
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Woman holding a shopping bag of groceries and showing currency notes
Stock Photo #4175-10626, Niccol Machiavelli Philosopher 3.5.1469-21.6.1527 florence
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Niccol Machiavelli Philosopher 3.5.1469-21.6.1527 florence
Stock Photo #1846-14190, Man selling clothes at a street market, Chandni Chowk, Delhi, India
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Man selling clothes at a street market, Chandni Chowk, Delhi, India
Stock Photo #1895-9881, Jons Jacob Berzelius, Swedish chemist, early 19th century.
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Jons Jacob Berzelius, Swedish chemist, early 19th century.
Stock Photo #4034-12833, Cannery Row Cafe it appears in Steinbeck smallness theory Monterey United States of America Cafe Terrace Building Blue sky
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Cannery Row Cafe it appears in Steinbeck smallness theory Monterey United States of America Cafe Terrace Building Blue sky
Stock Photo #1657R-50787, Portrait of a woman carrying shopping bags
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Portrait of a woman carrying shopping bags
Stock Photo #1895-22219, Sir Isaac Newton, English mathematician and physicist, c 1725.
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Sir Isaac Newton, English mathematician and physicist, c 1725.
Stock Photo #4186-14851, 1930S Portrait John Maynard Keynes Economist Baron Of Tilton
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1930S Portrait John Maynard Keynes Economist Baron Of Tilton
Stock Photo #1848-105024, Anatomical model of the head, labelled, brain functions
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Anatomical model of the head, labelled, brain functions
Stock Photo #1663R-61638, Low angle view of a young man carrying a young woman with shopping bags
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Low angle view of a young man carrying a young woman with shopping bags
Stock Photo #1663R-66215, Mid section view of a man holding a bouquet of flowers behind his back and giving a bottle of wine to a young woman
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Mid section view of a man holding a bouquet of flowers behind his back and giving a bottle of wine to a young woman
Stock Photo #824-95015, HEADACHE, ARTWORK. HEADACHE, ARTWORK Migraine. Illustration of a migraine theory explaining its onset as being triggered by a malfunction in the synchronization of sensory input which causes pain through stimulation of the trigemial nerve and inflammation from leakage in the blood vessels of the dura mater. The triptan family of drugs seems to affect migraines on three different levels. First, they may trigger the vasoconstriction of the blood vessels in the dura mater, reducing leakage. T
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HEADACHE, ARTWORK. HEADACHE, ARTWORK Migraine. Illustration of a migraine theory explaining its onset as being triggered by a...
HEADACHE, ARTWORK. HEADACHE, ARTWORK Migraine. Illustration of a migraine theory explaining its onset as being triggered by a malfunction in the synchronization of sensory input which causes pain through stimulation of the trigemial nerve and inflammation from leakage in the blood vessels of the dura mater. The triptan family of drugs seems to affect migraines on three different levels. First, they may trigger the vasoconstriction of the blood vessels in the dura mater, reducing leakage. T
Stock Photo #1663R-63288, Close_up of a young couple holding wine bottles in a liquor store
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Close_up of a young couple holding wine bottles in a liquor store
Stock Photo #4409-62085, Mendel, Gregor Johann (1822-1884). Austrian Naturalist. Mendelian inheritance graphing on the prevalence and disjunction of characters. Drawing.
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Mendel, Gregor Johann (1822-1884). Austrian Naturalist. Mendelian inheritance graphing on the prevalence and disjunction of c...
Mendel, Gregor Johann (1822-1884). Austrian Naturalist. Mendelian inheritance graphing on the prevalence and disjunction of characters. Drawing.
Stock Photo #4409-140549, FINE ARTS, "HARVEY DEMONSTRATING TO CHARLES I. HIS THEORY OF THE CIRCULATION OF THE BLOOD" PAINTED BY R. HANNAH.
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FINE ARTS, "HARVEY DEMONSTRATING TO CHARLES I. HIS THEORY OF THE CIRCULATION OF THE BLOOD" PAINTED BY R. HANNAH.
Stock Photo #1846-1295, Woman carrying shopping bags and laughing
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Woman carrying shopping bags and laughing
Stock Photo #1788-25381, Air condensation from Atlantic Codex (Codex Atlanticus) by Leonardo da Vinci, folio 493 recto
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Air condensation from Atlantic Codex (Codex Atlanticus) by Leonardo da Vinci, folio 493 recto
Stock Photo #1899-71726, Charles Darwin. Caricature of Charles Robert Darwin 1809-1882, in La Lune, 1879.
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Charles Darwin. Caricature of Charles Robert Darwin 1809-1882, in La Lune, 1879.
Stock Photo #1663R-64197, Close_up of a young couple looking at each other in a liquor store
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Close_up of a young couple looking at each other in a liquor store
Stock Photo #1848-249796, Human evolution, sequence, symbolic picture for the steps of evolution, relation between mankind and ape, theory of evolution
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Human evolution, sequence, symbolic picture for the steps of evolution, relation between mankind and ape, theory of evolution
Stock Photo #1895-14583, Wheatstone´s wave machine, c 1842.
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Wheatstone´s wave machine, c 1842.
Stock Photo #1824R-75812, Businessman with curly hair
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Businessman with curly hair
Stock Photo #4048-6106, Johann Gaspar Spurzheim (1776-1832), German physician who toured Europe and the United States popularizing phrenology. In the 19th century, Phrenology succeeded the ancient personality theory of the Four Humors and preceded 20th century psychology. Ca. 1830.
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Johann Gaspar Spurzheim (1776-1832), German physician who toured Europe and the United States popularizing phrenology. In the...
Johann Gaspar Spurzheim (1776-1832), German physician who toured Europe and the United States popularizing phrenology. In the 19th century, Phrenology succeeded the ancient personality theory of the Four Humors and preceded 20th century psychology. Ca. 1830.
Stock Photo #1824R-92000, Businessman thinking
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Businessman thinking
Stock Photo #1846-12589, Close_up of rings in a jewelry store, New Delhi, India
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Close_up of rings in a jewelry store, New Delhi, India
Stock Photo #4409-36871, Marcuse, Herbert (Berlin, 1898, Starnberg, 1979). German-Jewish philosopher, political theorist and sociologist, and a member of the Frankfurt School.
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Marcuse, Herbert (Berlin, 1898, Starnberg, 1979). German-Jewish philosopher, political theorist and sociologist, and a member...
Marcuse, Herbert (Berlin, 1898, Starnberg, 1979). German-Jewish philosopher, political theorist and sociologist, and a member of the Frankfurt School.
Stock Photo #1824R-74457, Art director looking at photos
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Art director looking at photos
Stock Photo #1895-10023, Alexander Crum Brown, Scottish organic chemist, c late 19th century.
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Alexander Crum Brown, Scottish organic chemist, c late 19th century.
Stock Photo #1824R-92012, Businessman looking out window, talking on cell phone
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Businessman looking out window, talking on cell phone
Stock Photo #1846-10907, Food items at a market stall, Surajkund Crafts Mela, Surajkund, Haryana, India
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Food items at a market stall, Surajkund Crafts Mela, Surajkund, Haryana, India
Stock Photo #1824R-88030, Flip flops between wingtip shoes
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Flip flops between wingtip shoes
Stock Photo #824-48924, EYE SURGERY, DRAWING. EYE SURGERY, DRAWING Treatment of presbyopia by scleral expansion refractive surgery : scleral incisions. Technics of scleral expansion relies on the controversial theory that the loss of accomodation of presbyopia is not linked to the loss elasticity of the eye lens, but to the lack of space. In fact, the diameter of the eye lens increases naturally with years, so that they would not be enough space to curve and accommodate theory of Schachar, 1995. Enlarge the diameter of
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EYE SURGERY, DRAWING. EYE SURGERY, DRAWING Treatment of presbyopia by scleral expansion refractive surgery : scleral incision...
EYE SURGERY, DRAWING. EYE SURGERY, DRAWING Treatment of presbyopia by scleral expansion refractive surgery : scleral incisions. Technics of scleral expansion relies on the controversial theory that the loss of accomodation of presbyopia is not linked to the loss elasticity of the eye lens, but to the lack of space. In fact, the diameter of the eye lens increases naturally with years, so that they would not be enough space to curve and accommodate theory of Schachar, 1995. Enlarge the diameter of
Stock Photo #1663R-66030, Close_up of two young women choosing clothes in a clothing store
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Close_up of two young women choosing clothes in a clothing store
Stock Photo #1569R-9055738, Young boy correcting music homework
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Young boy correcting music homework
Stock Photo #1846-1168, Woman carrying shopping bags and laughing
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Woman carrying shopping bags and laughing
Stock Photo #1848-535949, Norbert Bolz, Professor for Media and Communication Theory, TU Berlin, Berlin Institute of Technology, Germany, Europe
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Norbert Bolz, Professor for Media and Communication Theory, TU Berlin, Berlin Institute of Technology, Germany, Europe
Stock Photo #1824R-60413, Woman holding a printout
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Woman holding a printout
Stock Photo #4048-5862, Acupuncture points on the torso and leg of the human body. Acupuncture was based on the Chinese medical theory that stimulation by needles at specific points to restored healthy balance of the life force's flow along several channels (meridians). Wood engraving.
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Acupuncture points on the torso and leg of the human body. Acupuncture was based on the Chinese medical theory that stimulati...
Acupuncture points on the torso and leg of the human body. Acupuncture was based on the Chinese medical theory that stimulation by needles at specific points to restored healthy balance of the life force's flow along several channels (meridians). Wood engraving.
Stock Photo #1846-11272, Gay man carrying shopping bags and smiling
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Gay man carrying shopping bags and smiling
Stock Photo #1657R-39258, Man pushing a shopping cart filled with gifts
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Man pushing a shopping cart filled with gifts
Stock Photo #1886-51725, The MORNING SKY over ISLA ISABELLA - GALAPAGOS ISLANDS, ECUADOR
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The MORNING SKY over ISLA ISABELLA - GALAPAGOS ISLANDS, ECUADOR
Stock Photo #1669R-3739, rear view of teacher writing formula of theory of relativity on blackboard
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rear view of teacher writing formula of theory of relativity on blackboard
Stock Photo #824-57067, BIG BANG. BIG BANG Hubble´s Big Bang theory. Illustration of the Big Bang theory according to Hubble, in which all the galaxies are moving away in all directions. Therefore, they are also moving away from us.
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BIG BANG. BIG BANG Hubble´s Big Bang theory. Illustration of the Big Bang theory according to Hubble, in which all the galaxi...
BIG BANG. BIG BANG Hubble´s Big Bang theory. Illustration of the Big Bang theory according to Hubble, in which all the galaxies are moving away in all directions. Therefore, they are also moving away from us.
Stock Photo #1657R-48751, Friends carrying shopping bags in the car
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Friends carrying shopping bags in the car
Stock Photo #2003-602171, Vegetables in a basket, Chiang Mai, Thailand
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Vegetables in a basket, Chiang Mai, Thailand
Stock Photo #1826R-5479, Artist drawing
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Artist drawing
Stock Photo #1824R-70348, Businessman visualizing idea
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Businessman visualizing idea
Stock Photo #1824R-87372, Confident businesswoman
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Confident businesswoman
Stock Photo #4239R-5816, Spaceships enter a wormhole in outer space.
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Spaceships enter a wormhole in outer space.
Stock Photo #1824R-92058, Businessman reading newspaper
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Businessman reading newspaper
Stock Photo #1846-11544, Products for sale at a store, Haridwar, Uttarakhand, India
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Products for sale at a store, Haridwar, Uttarakhand, India
Stock Photo #1846-15000, People at food court in a shopping mall, Express Avenue, Chennai, Tamil Nadu, India
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People at food court in a shopping mall, Express Avenue, Chennai, Tamil Nadu, India
Stock Photo #1824R-75534, Young man sitting on stairway with laptop
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Young man sitting on stairway with laptop
Stock Photo #1895-17147, The tangents of the angles of a sector of a circle and of a hyperbola, 1687.
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The tangents of the angles of a sector of a circle and of a hyperbola, 1687.
Stock Photo #4105-5499, Sales clerk giving a plastic bag of apples to a woman
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Sales clerk giving a plastic bag of apples to a woman
Stock Photo #4128R-15020, Psi is the 23rd letter of the Greek alphabet and has a numeric value of 700. The letter psi is commonly used in physics for representing a wavefunction in quantum mechanics. It is also used in biochemistry, pharmacology and computational theory. The Greek
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Psi is the 23rd letter of the Greek alphabet and has a numeric value of 700. The letter psi is commonly used in physics for r...
Psi is the 23rd letter of the Greek alphabet and has a numeric value of 700. The letter psi is commonly used in physics for representing a wavefunction in quantum mechanics. It is also used in biochemistry, pharmacology and computational theory. The Greek
Stock Photo #1826R-2771, Two professionals studying reports
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Two professionals studying reports
Stock Photo #4128R-15841, Gamma is the third letter of the Greek alphabet. In the system of Greek numerals it has a value of 3. The lower_case letter is used widely as a symbol in nuclear physics, relativity theory, thermodynamics, neuroscience and astronomy. The Greek alphabet ha
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Gamma is the third letter of the Greek alphabet. In the system of Greek numerals it has a value of 3. The lower_case letter i...
Gamma is the third letter of the Greek alphabet. In the system of Greek numerals it has a value of 3. The lower_case letter is used widely as a symbol in nuclear physics, relativity theory, thermodynamics, neuroscience and astronomy. The Greek alphabet ha
Stock Photo #1663R-60057, Close_up of a young woman in a clothing store
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Close_up of a young woman in a clothing store
Stock Photo #1657R-50664, Bengali couple carrying shopping bags and smiling
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Bengali couple carrying shopping bags and smiling
Stock Photo #1846-11694, Vendor reading a newspaper at a store, Haridwar, Uttarakhand, India
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Vendor reading a newspaper at a store, Haridwar, Uttarakhand, India
Stock Photo #4175-1967, Wind Rose
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Wind Rose
Stock Photo #1788-25310, Study of bird flight from Atlantic Codex (Codex Atlanticus) by Leonardo da Vinci, folio 434 recto
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Study of bird flight from Atlantic Codex (Codex Atlanticus) by Leonardo da Vinci, folio 434 recto
Stock Photo #1824R-77655, Trash can surrounded by crumpled paper
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Trash can surrounded by crumpled paper

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