Nov 4, 2021
How did birds survive the dinosaur-killing asteroid?
When the dinosaur-killing asteroid collided with Earth about 66 million years ago, it triggered a slew of horrific events — shockwaves, wildfires, acid rain, tsunamis, volcanic eruptions and nuclear winter-like conditions — that killed about 80% of all animal species. But, mysteriously, some dinosaurs survived: the birds. But why did...