When cats are happy, they may squeeze their eyes shut.
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A dork is a whale's penis.
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Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Dire wolves actually existed, living up to 10,000 years ago before going extinct.
10
A group of kittens is called a "kindle".
10
Penguins have a gland above their eye that turns saltwater into freshwater.
12