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The Oldest DNA Ever Found

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Researchers mapped the mammoth family tree by extracting DNA from fossils. Also, scientists found some sessile animals living under Antarctica's ice shelf, and they're really cool.

Hosted by: Hank Green

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Sources:
https://doi.org/10.1038/s41586-021-03224-9
https://www.frontiersin.org/articles/10.3389/fmars.2021.642040/full
https://press.springernature.com/million-year-old-dna-sheds-light-on-the-genomic-history-of-mammo/18802858
https://www.eurekalert.org/pub_releases/2021-02/f-sca020921.php

Image Sources:
https://commons.wikimedia.org/wiki/File:Mammuthus_trogontherii122DB.jpg
https://commons.wikimedia.org/wiki/File:Columbian_mammoth.jpg
https://commons.wikimedia.org/wiki/File:Wooly_Mammoths.jpg
https://commons.wikimedia.org/wiki/File:Mammuthus_Size_comparison.png
https://www.storyblocks.com/video/stock/dna-sequence-blue-dna-structure-with-glow-science-background-futuristic-technology-dark-blue-background-with-space-for-text-b-6dqex1ejp5f1m3h
https://www.storyblocks.com/video/stock/double-helical-structure-of-dna-strand-close-up-animation-s-xhcmjp8k8r4yuhn
https://www.storyblocks.com/video/stock/dna-strand-is-assembled-from-different-elements-3d-animation-rh61ojwa7joe97ze8
https://www.istockphoto.com/photo/woolly-mammoth-set-in-a-winter-scene-environment-16-9-panoramic-format-gm1178017061-329071329
https://www.frontiersin.org/articles/10.3389/fmars.2021.642040/full#supplementary-material
https://commons.wikimedia.org/wiki/File:Antarctic_glac-interglac_hg.png
https://www.istockphoto.com/photo/panoramic-view-of-kayaking-in-the-iceberg-graveyard-in-antarctica-gm949614238-259226492
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Documentary
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SciShow, science, Hank
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