You may have seen baby gorillas being carried on the back of their mothers, but for the first few months after birth the mother holds the baby gorilla to her chest.

The New York City subway system, in an effort to raise revenue, is considering selling sponsorships of individual stations to corporations. Riders could soon be getting off at Nike Grand Central Station or Sony Times Square.

Male pups will intentionally let female pups “win” when they play-fight so they can get to know them better.

AMAZING FACTS