66-million-year-old feather in dinosaur poop may reveal why birds survived the asteroid
About 66 million years ago, a large dinosaur, possibly a T. rex or Nanotyrannus, swallowed a bird. Remarkably,…
66-million-year-old feather in dinosaur poop may reveal why birds survived the asteroid
About 66 million years ago, a large dinosaur, possibly a T. rex or Nanotyrannus, swallowed a bird. Remarkably,…