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First, It Was An Asteroid Impact, Then It was Due To An Asteroid Impact Location, And Now It Was Because Dinosaurs Were So Dumb That They Could Not Identify And Avoid Dangerous Food That Could Kill Them. The Toxic Food Is Said To Have Wane The Dinosaur Population Before The Asteroid Finished Them Off. Wow!

Still believe an asteroid killed the dinosaurs? Think again—new theory suggests

https://phys.org/news/2018-04-asteroid-dinosaurs-againnew-theory.html

Some experts have long believed that a massive asteroid was a primary cause of dinosaurs’ extinction some 65 million years ago, but new analysis from a University at Albany psychology professor suggests that the dinosaurs were in trouble long before the asteroid hit.