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Cityscape of Dubai, United Arab Emirates, with the Burj Khalifa skyscraper and other buildings in the foreground.
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1940s BRIGHT EYED BABY BOY LYING ON BACK FEEDING HIMSELF FROM BOTTLE
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1930s WOMAN AVIATOR PILOT STANDING NEXT TO AIRPLANE ONE HAND ON PROPELLER FLIGHT GOGGLES CAP TWEED SUIT FASHION
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Young woman on step ladder applying grey paint to interior wall at home
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Over shoulder view of two businessmen at office desk using digital tablet
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Close up of 96-well microtiter plate with crystal violet solution to examine toxicity
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Female scientist examining bacterial growth in flask containing LB (Lysogeny broth) medium
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1980s TWO GIRLS LEARNING ABOUT COMPUTERS BY PLAYING ON SCREEN GAME
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Teenage boy helping Grandmother sitting in walker at home, Germany
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Aerial view of cityscape with illuminated skyscrapers above the clouds in Dubai, United Arab Emirates at dusk.
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1960s BUSINESSMEN MEETING INSPECTING BLUEPRINTS Not for use with: Beer, Cigars, Cigarettes, Soap, Toothpaste, Mouthwash, Coffee, Tea, or Soft Drinks
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Close up of female scientist examining samples in microtiter plate with crystal violet solution
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Miami skyline at dusk, traffic on MacArthur causeway, Florida, USA
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Teenage boy helping Grandmother using cruthces at home, Germany
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Asia, Nepal, Himalayas, Sagarmatha National Park, Solu Khumbu Everest Region, a line of climbers on the Lhotse Face
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Group of scientists at work in laboratory, Cell culture suspension (front), which is later used for western blot technique (back) to see which proteins are pathologically expressed
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Teenage boy helping Grandmother using cruthces at home, Germany
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