Topic: digestion

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How do baby flamingos become pink?

Watch as downy gray flamingo chicks are fed bright red milk, a sort of crop milk made from either parents' upper digestive tracts. As the chicks grow, they develop their signature pink feathers, as well as adult bills...

Sea cucumbers are underwater vacuum cleaners

Join biologist Professor Ove Hoegh-Guldberg on the ocean sandy floor of Australia's Great Barrier Reef to witness an incredibly important ecological process: sea cucumbers pooping. Why is this so important? When se...

Rube Goldberg Machine Cow

Via PopSci, Let This Rube Goldberg Machine Show You How Cows Eat And Poop. This is Cow by Nova Jiang. Watch more Rube Goldberg machines, kinetic sculptures, and chain reactions.