For tens of millions of years, Earth's oceans were crowded with 5,000-lb. (2,200 kilograms) turtles, whale-size sea cows and sharks as large as school buses. Then, about 2.6 million years ago, they started dying in droves.
Saturday, December 15, 2018
Extinction Is Hard Work
I guess humans have to take credit for the efficiency we have developed in driving species to extinction. In the history of the planet, species extinction takes hard work, even cosmic events.
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