Dolphins can rapidly heal from extreme injuries, such as shark bites, and regenerate their original body shape.
19
In Australia, there are spiders big enough to eat snakes.
20
It has been scientifically proven that stroking a cat can lower one's blood pressure!
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Mosquitoes prefer certain blood types, and people with the “O” blood type are more likely to get bitten.
12
Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
23
Cows can sleep standing up, but they can only dream lying down.
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