The cat brain weighs about 30g.
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Condoms were originally made of animal intestines or linen.
347
A koi fish, named "Hanako", was owned by several individuals over many years and lived to be 226 years old, dying in 1977.
6
When a drone bee mates with a queen, its ejaculation is so powerful that it can even be heard by the human ear.
5
It has been scientifically proven that stroking a cat can lower one's blood pressure!
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