4 ms·
If we had actually been alive to witness those past mass extinctions, we would likely have been traumatized by the disappearance of so much life from the face o
by jschwartzi 12y ago
If we had actually been alive to witness those past mass extinctions, we would likely have been traumatized by the disappearance of so much life from the face of the Earth, and all in one relatively short period of time.