refrigerator, -79C, tissue specimens, DNA specimens, liquid nitrogen, American Museum of Natural History, Ambrose Monell Collection, molecular research, microbial research, ultra-low temperature, freezer

refrigerator, -79C, tissue specimens, DNA specimens, liquid nitrogen, American Museum of Natural History, Ambrose Monell Collection, molecular research, microbial research, ultra-low temperature, freezer
refrigerator, -79C, tissue specimens, DNA specimens, liquid nitrogen, American Museum of Natural History, Ambrose Monell Collection, molecular research, microbial research, ultra-low temperature, freezer
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