focused female geneticist in a lab coat and safety goggles studying a 3d model of a dna molecule on her computer and taking notes - 微生物學家 個影片檔及 b 捲影像00:09
female microbiologist writing on a clipboard in a lab. woman researcher working on a scientific experiment, analyzing test results in a clinic - 微生物學家 個影片檔及 b 捲影像00:07
4k video of scientist studying samples using microscope in research laboratory - 微生物學家 個影片檔及 b 捲影像00:26
4k video of scientist studying samples using microscope in research laboratory - 微生物學家 個影片檔及 b 捲影像00:14
4k video of scientist studying samples using microscope in research laboratory - 微生物學家 個影片檔及 b 捲影像00:14
4k video of scientist studying samples using microscope in research laboratory - 微生物學家 個影片檔及 b 捲影像00:16
4k video of scientist studying samples using microscope in research laboratory - 微生物學家 個影片檔及 b 捲影像00:15
professional researcher cutting and studying cannabis plants for agricultural and scientific research in a controlled environment - 微生物學家 個影片檔及 b 捲影像00:11
[fuzzy audio throughout] dr. jonas salk speaks at podium in the rackham auditorium at the university of michigan in ann arbor, mi, commenting on the... - 微生物學家 個影片檔及 b 捲影像00:33
rackham auditorium at the university of michigan in ann arbor / people entering building / vs crowd inside / vs reporters scrambling for copies of... - 微生物學家 個影片檔及 b 捲影像01:31
[fuzzy audio throughout] dr. jonas salk standing with two other men at podium in rackham auditorium of the university of michigan in ann arbor, mi;... - 微生物學家 個影片檔及 b 捲影像02:51
[fuzzy audio throughout] dr. jonas salk at podium speaking in the rackham auditorium at the university of michigan regarding his polio vaccine - 微生物學家 個影片檔及 b 捲影像02:49
bottle of polio vaccine / dimes spread out, taking up entire frame / pile of dimes / small pile of dimes, more are dropped into frame / dr. jonas... - 微生物學家 個影片檔及 b 捲影像02:05
a golden molecular structure glows with scientific clarity in this microbiology video. - 微生物學家 個影片檔及 b 捲影像00:10
a close-up on a molecular cluster highlights the core of scientific exploration. - 微生物學家 個影片檔及 b 捲影像00:10
a single molecule stands out in focus, surrounded by glowing microbiological particles. - 微生物學家 個影片檔及 b 捲影像00:10四K 解析度