Science How do you get from dinosaur arms to bird wings? It's all in the wrist. (+video)

A team of scientists that looked at both dinosaur fossils and embryos of modern birds have clarified long-debated details about how dinosaur arms evolved into bird wings.

By , Staff Writer

Davide Bonnadonna/Science/AP

Has a team of Chilean scientists finally put an end to the decades-long debate over how birds evolved from dinosaurs? Well, not entirely. But they have clarified some critical details about one small but significant part: the wrist.