WWII scientist taking measurements on the Enigma machine
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Excited scientist working on microscope rejoicing research resulsts in laboratory close up. Smiling happy researcher feeling inventing vaccine.
Agronom in golden wheat field. Man agronomist thinking about future harvest activity. Farmer with tablet analysing wheat harvest. Agriculture science
Funny brain cartoon thinking High Definition animation colorful scenes
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Adult Engineer of Industry Four Makes Facility Technical Inspection of Future Project in Large Hangar. Vision Modern Industrial Design and
Woman scientist working at a laboratory bench, using equipment and checking data from a sheet.
Smart scientist conducting research in hospital office.
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Serious computer scientist working in data center closeup. Pensive system administrator man holding ball creating ideas at late workplace
Portrait of a thinking doctor or scientist in a laboratory, close-up. Doctor makes a decision
doctor thinking about something very serious
A view of the statue of a famous person in Madame Tussauds Istanbul
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WWII scientist working on the Enigma code machine
Young Girl Scientist
vintage scientist looking and studying a bottle of radium glow
Pensive scientists thinking over bad results
Doctor or scientist thinks about a problem and finds a solution, close-up
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Serious chemist thinking on research cure wearing safety in lab close up. Thoughtful scientist looking test tube exploring medicines
Scientist testing in laboratory for analysis or researching
Scientist using digital tablet in office 4k
Restless African American man sitting in hospital analyzing diagnosis. Medium shot portrait of serious concentrated professional doctor thinking sitting at table indoors. Medicine concept.
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Happy scientists invented medicines from coronavirus giving five closeup. Excited lab researchers rejoicing medical success in laboratory.
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Closeup skilled scientist looking at test tube with medical preparation in lab. Young thoughtful researcher in safety checking drugs
scientist reading and thinking about notes he has on a pad
Rear view of man against chalkboard with math formula equations. He think about solution and try to understand high university task.
Caucasian old male sitting at desk in cozy living room and writing in notebook his thoughts. Close up. Inside. Senior man on retirement working at home as freelancer and taking notes. Writer work.
Curious student pondering chemical formula and seeking solutions
Doctor or scientist thinks and gives birth to an idea, close-up
cancer research scientist thinking about a solution
Young doctor analyzing medical results at computer and taking notes
scientist thinking
Serious nurse examining drug ampoules indoors
Scientist smart clever man in white work robe and spectacles near chalk board with equations and formula, drink coffee and smile at camera, 4k UHD.
Scientist prepares to experiment in laboratory
College student solving a challenging math problem on a chalkboard in slow motion
Young college student studying a complex math problem on a chalkboard in slow motion
College student solves complex math problem at blackboard in slow motion
Young scientist working at home, discovering mistakes and realizing work needs to be redone
Young man solving math problem on whiteboard. Male student smiling while solving algebra equation at classroom. Education concept.
Scientist testing in laboratory for analysis or researching.
Close Up Shot of Scientist Pondering (Side View)
Confused red-haired student solving math problem at college. Achievement and difficulties concept.
Portrait of a Thoughtful Expert Examining Vaccine Ampoules
Scientist with two flasks in laboratory
Thoughtful man in laboratory contemplating on promotion of 3-D technologies into medical researches and practices.
Scientist finding a cure
Focused female teacher in lab coat and glasses shaking red liquid substance in glass test tube on background with blackboard.
Scientist testing in laboratory for analysis or researching