Prehistoric

Migration and evolution may have happened far earlier than scientists thought.

The bat’s teeth and bones were three times the size of today’s average bat.

Mammoth ivory, like modern elephant ivory, is durable and doesn't splinter easily, and so makes a good spear for hunting.

The migration may have been less about opportunity elsewhere and more about hardship.

About 800 leg bones from large cats of all ages shows the unique power of this kitten.