Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
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A banana slug can be 6-8 inches and their erect penis can be just as long. Also, their penises emerge from their heads. After sex, banana slugs eat each others penises.
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One reason that kittens sleep so much is because a growth hormone is released only during sleep.
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Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
16
Crows living in some urban areas drop nuts into traffic to let the passing cars crush them, then they wait for the red lights to stop the traffic so they can grab and eat it.
17
A scorpion can hold its breath for up to 6 days.
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