One reason that kittens sleep so much is because a growth hormone is released only during sleep.
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A cat can jump FIVE TIMES as high as it is tall!
371
The head of a jellyfish is called the "Bell."
6
Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
6
Allegedly, Chrysippus, the Greek philosopher, died of laughter after getting his donkey drunk and watching it try to eat figs.
47
A hippo sleeping underwater automatically rises to the surface every ~4 minutes and breathes without waking.
23