close - up of an fbi agent handling a lighter and showing photographs to a suspect during interrogation - scientific experiment stock videos & royalty-free footage00:28
medical technicians are looking at the microscope - scientific experiment stock videos & royalty-free footage00:13
asian chinese female doctor with ppe inserting nasal swab cotton swab into test tube and tighten it sealed it - scientific experiment stock videos & royalty-free footage00:13
scientists use pipette dropper samples to test tubes.to conduct scientific experiments - scientific experiment stock videos & royalty-free footage00:20
asian chinese female doctor with ppe taking mouth swab from patient coronavirus test. medical worker in protective suite taking a swab for corona virus test, potentially infected woman - scientific experiment stock videos & royalty-free footage00:10
4k video footage of scientists working in a lab - scientific experiment stock videos & royalty-free footage00:28
asian chinese female doctor with ppe taking mouth swab from patient coronavirus test. medical worker in protective suite taking a swab for corona virus test, potentially infected woman - scientific experiment stock videos & royalty-free footage00:22
laboratory tests at the virus research institute - scientific experiment stock videos & royalty-free footage00:10
closeup, research and hands with pipette, medical and health with breakthrough, cure and experiment in lab. zoom, researcher or scientist with gloves, laboratory equipment or innovation for diagnosis - scientific experiment stock videos & royalty-free footage00:07
medical technology in the laboratory. - scientific experiment stock videos & royalty-free footage00:13
female scientist in laboratory looking in microscope - scientific experiment stock videos & royalty-free footage00:21
laboratory team working with biohazardous samples. using microscope - scientific experiment stock videos & royalty-free footage00:08
forensic scientist working at crime scene - scientific experiment stock videos & royalty-free footage00:16
automated chemical experiment device - scientific experiment stock videos & royalty-free footage00:16
investigators wear latex gloves as they remove possible evidence. - scientific experiment stock videos & royalty-free footage00:25
the world will remember their work for years to come - scientific experiment stock videos & royalty-free footage00:14
please stand by - tv screen test. glitch. television test pattern stripes. retro style screensaver. 4k video - scientific experiment stock videos & royalty-free footage00:05
unrecognizable microbiology scientist, sampling with a sample bottle the water from city river for analysis - scientific experiment stock videos & royalty-free footage00:09
adorable private elementary stem school students conduct science experiment - scientific experiment stock videos & royalty-free footage00:09
man preparing a antigen test for covid-19 - scientific experiment stock videos & royalty-free footage00:15
young woman drops swab in a protective plastic tube. - scientific experiment stock videos & royalty-free footage00:10
mra brain or magnetic resonance angiography of the brain axial mip view showing cerebral artery - scientific experiment stock videos & royalty-free footage00:16
dropper placing a liquids sample substance droplet on a microscope and microscope glass slide - scientific experiment stock videos & royalty-free footage00:12
medical research scientists examines laboratory mice - scientific experiment stock videos & royalty-free footage00:19
teacher and curious students conducting scientific experiment with dry ice in classroom laboratory - scientific experiment stock videos & royalty-free footage00:13
a detective crosses crime scene tape to investigate a wooded area. - scientific experiment stock videos & royalty-free footage00:25
cu, selective focus, scientist dropping liquid into vial in genetic laboratory, close-up of hands, singapore - scientific experiment stock videos & royalty-free footage00:16
student watching screen, reflection in glasses bu co ed rs - scientific experiment stock videos & royalty-free footage00:29
forensic scientist working at crime scene - scientific experiment stock videos & royalty-free footage00:18
genetic molecular laboratory: woman researcher isolates virus variants - scientific experiment stock videos & royalty-free footage00:14
scientist hands in gloves hold sterile flask with yellow liquid. oil research and toxic liquid concept - scientific experiment stock videos & royalty-free footage00:32
exercising rodent running in a wheel - scientific experiment stock videos & royalty-free footage00:25
pouring water into diagonally placed test tube with blue hue and movement of bubbles - scientific experiment stock videos & royalty-free footage01:34
medical research scientist examines laboratory mice - scientific experiment stock videos & royalty-free footage00:11
forensic scientist working at crime scene - scientific experiment stock videos & royalty-free footage00:10
woman scientist discussing latest findings with a male colleague at laboratory - scientific experiment stock videos & royalty-free footage00:43
close up and slow motion of pink red liquid spiraling horizontally from right to left in a scientific glass condenser - scientific experiment stock videos & royalty-free footage00:40
patient sleeping in a medical clinic doing a medical exam - scientific experiment stock videos & royalty-free footage00:11
testing drugs to develop covid-19 vaccines - scientific experiment stock videos & royalty-free footage00:09
microplastic pollution in our rivers - scientific experiment stock videos & royalty-free footage00:19
giving rabbit injection to experiment the polio vaccine - scientific experiment stock videos & royalty-free footage00:05
scientists and businessman talking in laboratory - scientific experiment stock videos & royalty-free footage00:21
medical technology in the laboratory. - scientific experiment stock videos & royalty-free footage00:11
female scientist standing in laboratory holding digital tablet - scientific experiment stock videos & royalty-free footage00:09
female scientist in laboratory looking in microscope - scientific experiment stock videos & royalty-free footage00:14
genetic molecular laboratory: dna research to isolate virus variants - scientific experiment stock videos & royalty-free footage00:33
close up and slow motion of pouring oil water into 2 lab pipettes placed diagonally against a white background - scientific experiment stock videos & royalty-free footage00:36
rorschach test ink mask spreading inkblot over screen abstract background intro - scientific experiment stock videos & royalty-free footage00:16
scientists in lab coats working in laboratory - scientific experiment stock videos & royalty-free footage00:29
young woman drops swab in a protective plastic tube. - scientific experiment stock videos & royalty-free footage00:18
b/w 1915 close up mad scientist wearing surgical mask holding test tube with smoke emerging / silent serial - scientific experiment stock videos & royalty-free footage00:04
close-up of an fbi agent's hands with a lighter and photographs, during interrogation - scientific experiment stock videos & royalty-free footage00:11
animation of two chemists in adjoining labs competing to be the first to create successful formula for hosiery / audio - scientific experiment stock videos & royalty-free footage00:23
scientists studying dna mutations. computer screens with dna helix - scientific experiment stock videos & royalty-free footage00:35
a torch shoots fire at a robotic arm with fabric during a flame retardant test (product research and development) in an indoor manufacturing facility - scientific experiment stock videos & royalty-free footage00:15
ms female scientists writing formula on white board while leading project discussion with colleagues - scientific experiment stock videos & royalty-free footage00:13
scientist checking blood in laboratory - scientific experiment stock videos & royalty-free footage00:35
scientists in lab coats working in laboratory - scientific experiment stock videos & royalty-free footage00:23