Add Yahoo as a preferred source to see more of our stories on Google. During The Great Dying, upwards of 80 percent of life on Earth was wiped out. The mass extinction event that wiped out the ...
Talk Show all-star Kallie Moore returns to tell us about the exciting things happening over at Eons, and Jessi stops by with not one but two poke-y guests! #SciShow #Eons #Smithsonian #Fossil ...
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