Bones… seems like a simple enough topic, right? Well, would you believe me if I told you that scientists can’t even agree on how and why bones evolved in the first place?! And teeth? Don’t even get us started on teeth...

Follow us on Twitter @SciShowTangents, where we’ll tweet out topics for upcoming episodes and you can ask the science couch questions! 

If you want to learn more about any of our main topics, check out these links:

[Truth or Fail]

Bone Conduction

https://www.kqed.org/science/1926248/how-elephants-listen-with-their-feet

https://www.sciencedaily.com/releases/2001/03/010312071729.htm

https://news.stanford.edu/news/2009/february18/elephants-triangulation-seismic-vibration-signal-021809.html

Chew Bones

https://www.nationalgeographic.com/news/2017/07/giraffes-eat-skeletons-bones-spd/

https://repository.up.ac.za/bitstream/handle/2263/9767/Bredin_Can(2008).pdf;jsessionid=8BFA2F57B27C91C3BB4F18175D4712A8?sequence=1

Glowing Bones

https://www.nationalgeographic.com/news/2018/01/chameleon-bones-florescent-ultraviolet-light-spd/

https://www.sciencealert.com/these-cute-little-orange-frogs-have-a-florescent-secret-under-their-skin

[Fact Off]

Myotragus goat

https://www.pnas.org/content/106/48/20354

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1325260/

https://phys.org/news/2009-11-extinct-goat-cold-blooded.html

http://blogs.discovermagazine.com/80beats/2009/11/17/extinct-goat-tried-out-reptilian-cold-blooded-living-it-didnt-work/#.XdMCY5JKhxw

pics: https://en.wikipedia.org/wiki/Myotragus

Subvocalization remote

https://dam-prod.media.mit.edu/x/2018/03/23/p43-kapur_BRjFwE6.pdf

https://www.sciencealert.com/silent-voice-headset-subvocalisation-computer-interface-mit

[Ask the Science Couch]

Bone evolution:

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3237026/

https://austhrutime.com/bone.htm

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC509207/

Aspidin: 

https://natureecoevocommunity.nature.com/users/169723-joseph-keating/posts/37157-aspidin-a-bone-of-contention

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6109381/

Teeth: 

https://www.nature.com/news/fossil-scans-reveal-origins-of-teeth-1.13964

https://www.newscientist.com/article/dn24268-fish-fossil-suggests-our-skeleton-evolved-face-first/

[Butt One More Thing]

Lizard Tails:

https://www.futurity.org/salamanders-lizards-tails-regeneration-1838762/