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Narrator: Tails are like opinions — basically everyone ... Now, walking like this gives us a huge advantage Because unlike four-legged animals, which have to pour energy into every step they ...

Tails are like opinions - basically everyone ... Now, walking like this gives us a huge advantage Because unlike four-legged animals, which have to pour energy into every step they take, two ...

Lemurs may have floated there eons ... They cover their long tails with smelly secretions and wave them in the air to determine which animal is more powerful. Ring-tailed lemurs live in groups ...

Humans do not have tails, but do we have “what it takes” for a tail? Hens don’t have teeth, but they have the genes for it. With atavism, it is as if our genomes serve as archives of our ...