/u/nilhaus's posts in /r/askscience
Certain prehistoric animals, like Smilidon and Carnotaurus are described as using their head like a hatchet, to drive their top teeth into prey instead of using biting force. Are there any animals alive today that do this?
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Is the difference between a female and male human greater than the difference between a human and a neanderthal (or other homo) of the same sex?
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The largest land animals are consistently herbivores, yet the largest water animals are carnivores. Why is this?
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