Bones Began as Mineral Batteries

Today, bones hold us up. But for ancient jawless fishes, bones may have been a way to store energy for long journeys. Plus, new research indicated that hippos and cetaceans may have evolved their aquatic traits separately.

Hosted by: Hank Green

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Sources:
Bone Evolution:
https://advances.sciencemag.org/content/7/14/eabb9113
https://jeb.biologists.org/content/215/11/1983
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6146198/
Whales & hippos:
https://www.cell.com/current-biology/fulltext/S0960-9822(21)00301-8

Image Sources:
https://www.istockphoto.com/photo/human-bone-texture-gm170023814-22513199
https://www.storyblocks.com/video/stock/colorado-potato-beetles-plant-pest-insects-vermin-colorado-beetles-on-potato-plant-bmob05waitvzthsg
https://www.storyblocks.com/video/stock/underwater-shot-shark-bfn3fv13xjnoksgc2
https://www.eurekalert.org/multimedia/pub/260551.php?from=497886
https://www.storyblocks.com/video/stock/science-anatomy-of-human-body-in-x-ray-with-glow-skeleton-bones-sun82j4cxizqlc2v3
https://www.storyblocks.com/video/stock/titan-triggerfish-feeding-from-coral-reef-underwater-at-maledives-rz68zaugzjaf6hcp5
https://www.storyblocks.com/video/stock/underwater-video-as-a-killer-whale-floats-to-the-surface-to-gain-air-hunt-in-ocean-for-herring-near-fjords-of-tromso-exclusive-footage-filmed-on-a-red-camera-during-a-scientific-expedition-to-norway-bhl3zw-fqdkhudjl6g
https://www.storyblocks.com/video/stock/hippo-yawning-in-a-lake-at-moremi-game-reserve-botswana-rv4rf3tapkjsgtjnc
https://commons.wikimedia.org/wiki/File:PZSL1850PlateMammalia21.png
https://www.storyblocks.com/video/stock/a-baby-hippo-eating-in-zoo-slk3jgecirwuvjp1
https://www.storyblocks.com/video/stock/hippos-getting-into-water-zw2-4dx
https://www.storyblocks.com/video/stock/huge-pod-of-southern-right-whales-in-hermanus-south-africa-hhxp5g_tfjeskoyhh
https://commons.wikimedia.org/wiki/File:Yunnanolepis.jpg
https://www.eurekalert.org/multimedia/pub/260550.php?from=497886

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