One reason that kittens sleep so much is because a growth hormone is released only during sleep.
212
Sharks, like other fish, have their reproductive organs in their chests.
248
A scorpion can hold its breath for up to 6 days.
19
When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
23
A domestic cat can sprint at about 31 miles per hour.
274