SMSEvolutionary geneticists and biologists have tracked a ghost species while studying human saliva and its evolution.
SHOW TRANSCRIPT
Scientists Say Antarctic Animals May Not Be Safe From Human PathogensTRENDING IN Sci/Health NEWS
U.S., U.N. Officials Urge Action Ahead Of Climate Summit
6:38
Evan Vucci / APOil Executives Testify On Climate Change, Alleged Disinformation
U.S. Economy Slowed To A 2% Growth Rate Last Quarter
6:16
NewsyRural America Sees Rise In Infant Mortality
2:45
Jae C. Hong / APParents React To Possibility Of Their Kids Getting COVID Vaccine
FDA Sets Stronger Safety Warnings For Breast Implants
Cheap Antidepressant Shows Promise Treating Early COVID-19
5:11
Newsy