Karaoke Lemurs and the Evolution of Music

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By giving some fossils a dental exam, we've learned more about how tusks first evolved. And humans aren't the only primate that can get down at karaoke night.

Hosted by: Hank Green

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Sources:
Tusks:
http://dx.doi.org/10.1098/rspb.2021.1670
https://www.nytimes.com/2019/01/04/science/dicynodonts-fossils-poland.html
https://www.britannica.com/animal/therapsid#ref268707
https://www.eurekalert.org/news-releases/932234
https://www.eurekalert.org/news-releases/932339

Lemurs:
https://www.cell.com/current-biology/fulltext/S0960-9822(21)01272-0
https://www.sciencedirect.com/science/article/pii/S0960982220309246
https://www.eurekalert.org/news-releases/931721
https://www.youtube.com/watch?v=wxVYsAodZ6U
https://www.pnas.org/content/112/29/8987
https://www.science.org/doi/10.1126/science.aax0868
https://journals.sagepub.com/doi/abs/10.1177/0305735611425896
https://www.sciencedirect.com/science/article/pii/S0960982216315111

Images:
https://www.eurekalert.org/multimedia/804794
https://www.eurekalert.org/multimedia/804793
https://www.eurekalert.org/multimedia/804611
https://www.eurekalert.org/multimedia/804609
https://www.eurekalert.org/multimedia/804613
https://commons.wikimedia.org/wiki/File:Diictodon_galeops_model.jpg
https://commons.wikimedia.org/wiki/File:202012_Lystrosaurus.svg
https://www.istockphoto.com/photo/african-elephant-gm691589556-127623515
https://www.istockphoto.com/photo/the-walrus-odobenus-rosmarus-large-flippered-marine-mammal-in-blue-water-svalbard-gm1254047213-366418749
https://www.istockphoto.com/photo/wild-boar-close-up-gm946567170-258487259
https://commons.wikimedia.org/wiki/File:Wadiasaurus1DB.jpg
https://commons.wikimedia.org/wiki/File:Moghreberia.jpg
https://commons.wikimedia.org/wiki/File:Diictodon-A72-03.jpg
https://commons.wikimedia.org/wiki/File:Mammoth_model.JPG
https://www.istockphoto.com/photo/close-up-of-elephant-tusks-gm1225431476-360685977
https://www.istockphoto.com/photo/walruses-fighting-gm144873731-4792876
https://commons.wikimedia.org/wiki/File:Mammuthus_jeffersonii_05.tif
https://www.istockphoto.com/photo/ground-squirrel-standing-waist-deep-in-the-grass-and-shouts-gm938439180-256625113
https://commons.wikimedia.org/wiki/File:Eodicynodon_BW.jpg
https://commons.wikimedia.org/wiki/File:Placerias_hesternus.jpg
https://www.istockphoto.com/photo/yellow-bellied-marmot-marmota-flaviventris-gm155142149-18002484
https://www.storyblocks.com/video/stock/song-thrush-perched-on-a-branch---cu-bdlympf2zgjb2boxud
https://www.istockphoto.com/photo/shark-gm540853780-96662937
https://www.istockphoto.com/photo/herd-of-elephants-in-africa-walking-through-the-grass-in-tarangire-national-park-gm1298742201-391553322
https://www.eurekalert.org/multimedia/803987
https://commons.wikimedia.org/wiki/File:Bach,_Sinfonia_in_F_minor_BWV_795,_mm._1-3a_composite_rhythm.png
https://www.storyblocks.com/video/stock/a-ticking-metronome-looping-with-alpha-matte-included-sal3tjpggiw5lqjo8
https://commons.wikimedia.org/wiki/File:Luscinia_luscinia_vogelartinfo_chris_romeiks_CHR3635.jpg
https://www.shutterstock.com/image-photo/indri-called-babakoto-largest-lemurs-madagascar-1012932076