Weird Things Whales Lost on Their Journey to the Sea

When the ancestor of cetaceans went back into the water some 50 million years ago, it left a few things behind—including the functioning of certain genes that seem like they’d be hard to live without.

Hosted by: Hank Green

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Sources:
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Image Sources:
https://www.istockphoto.com/photo/finless-porpoise-gm1163097456-319258024
https://www.istockphoto.com/photo/humpback-whales-and-calf-gm502967006-82051483
https://www.istockphoto.com/photo/posing-playful-dolphin-gm1161287868-318156504
https://www.istockphoto.com/photo/the-tail-of-the-humpback-whale-gm683115146-125419869
https://www.istockphoto.com/photo/close-up-of-dolphin-in-water-with-its-mouth-open-gm157396697-7914949
https://www.istockphoto.com/photo/two-asian-students-studying-but-one-has-fallen-asleep-gm117145400-15726789
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https://www.istockphoto.com/photo/humpback-whales-bubble-net-feeding-gm963087572-263048255
https://www.istockphoto.com/photo/sperm-whale-gm1032493108-276544324
https://www.istockphoto.com/photo/pesticide-treatment-gm473298428-64700125
https://commons.wikimedia.org/wiki/File:Runoff_of_soil_%26_fertilizer.jpg

Видео Weird Things Whales Lost on Their Journey to the Sea канала SciShow