Cats recognise the voice of their owner, but never evolved to care.
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The Hercules beetle, despite weighing only 100 grams, can lift 8 kilograms, making it one of the proportionally strongest animals in the world.
8
It has been scientifically proven that stroking a cat can lower one's blood pressure!
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Using a remote-controlled camera, biologists caught dolphins getting high by sucking on puffer fish. They were even caught passing the puffer fish around.
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A scorpion can hold its breath for up to 6 days.
19
A giraffe's kick is so powerful that it can decapitate a lion.
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Unsinkable Sam (nickname of a German ship's cat) who served on 3 warships, one German, two British, all sank in action. The cat survived each sinking, floating away on wooden planks to rescue.
19