Zamazany naukowiec w lateksowych rękawiczkach wlewa krew do probówki. - Materiał filmowy & wideo

Scientist pours clear liquid into glass test tube with sprouted plant to make experiment in laboratory close view slow motion

Handheld tracking close up of unrecognizable scientist in white coat and gloves holding test tube filled with purple solution while colleague making notes on tablet

Technician carefully drips the solution from the pipette into glass tubes for DNA analysis.

Scientist hands with dropper or pipette, examining samples and liquid.