For decades, scientists have vigorously debated whether an asteroid strike or massive volcanic eruptions ended the reign of the dinosaurs 66 million years ago. Roughly three-quarters of all life on Earth, including all nonbird dinosaurs, went extinct at that time, putting a dramatic end to the Cretaceous Period.
Now, researchers have devised a new way to identify the true dino killer: Let computers take a crack at it.
The result of that computational effort suggests that massive bursts of gas produced by the Deccan Traps eruptions were solely capable of causing the extinction event, the team reports in the Sept. 29 Science. Those eruptions, which lasted roughly a million
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