The Science Of Spit
Evolutionary geneticists and biologists have tracked a ghost species while studying human saliva and its evolution.
Posted at 6:01 PM, Dec 19, 2018
and last updated 2018-12-19 18:01:10-05
Scientists Say Antarctic Animals May Not Be Safe From Human PathogensCopyright 2024 Scripps Media, Inc. All rights reserved. This material may not be published, broadcast, rewritten, or redistributed.
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