Simple calculations suggest koalas should have high-pitched voices. That's because the pitch generated by an object is linked to its size, and usually animals' vocal cords tend to be large or small ...

The human emetic response -- more commonly known as hurling, puking, ralphing, upchucking, or vomiting -- is a fairly simple process. In the retching phase, the abdominal muscles and the diaphragm ...

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On a recent virtual field trip run by the Denver Museum of Nature & Science, an instructor talked via Zoom about the digestive system before switching over to her “dissection camera.” A dead frog, ...

You could call the bombardier beetle the dinner date from hell. When threatened, the beetle shoots a hot jet of boiling chemicals from its rear end, and that’s not all. If eaten by a frog or toad, the ...

CC0 Usage Conditions ApplyClick for more information. Known as Darwin's frog, this male amphibian takes daycare to another, grotesque level. See for yourself. From ...