See More Hear More Watch More Hear More Get on iTunes
Gizmodo Gizmodo

A Long Time Ago, Oceans Boiled

We've heard of one asteroid hitting Earth over 3 billion years ago, but scientists have found evidence of two more large impacts around the same time. The oceans may have boiled for a year and water levels may have dipped 100 meters. http://goo.gl/QxOlQ5 #tech

UP NEXT

More from