Kenneth Lacovara, Ph.D., has spent years traveling the world looking for fossils and the extinction layer–a sediment layer covering the world that signifies the end of the Cretaceous period that ...
Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. While life on Earth does usually find a way, it is not without some ...
Humans have wiped out hundreds of species — with many more on the brink or experiencing large declines in population. Some scientists have argued that we have entered a “sixth mass extinction” event ...
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