Elephant calves suck on their trunks just as human babies suck on their thumbs.
Some crocodiles can go for two years without eating.
More about Animals ❯
A seed can blow across the ocean and sprout on another continent.
More about oceans ❯
Earth has been recycling water for over 4 billion years! That means we drink the same water as woolly mammoths, the first humans and King Tut.
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