Side view of African American scientist concentrating on his work at workplace, he examining analysis in test tubes
Young female scientist conducting analysis with microscope and test tubes in the lab
Unrecognizable scientist sitting in font of green screen computer holding test tube in lab close up.
Scientists studying substance in test tubes in lab
Female scientist examining test tube in lab
Male scientist with test tubes and pipette in lab
vintage scientist checking a book and his test tube findings
Young Scientist Examining Samples in Lab
Mature scientist working with Muslim assistant in lab
Tilt up slowmo of disabled African-American scientist working on computer in lab, then looking at camera His female colleagues doing research in background
Woman scientist teach to make medical research in lab. Dissatisfied doctor looking test tube with substance showing computer data.
Black female research scientist giving his colleague test-tubes with fertilizer and then making experiments with different samples in chemistry lab.