SciShow Tangents

Hair

Episode Summary

Mammals pretty much have the market cornered on hair, and you know all the other types of animals are jealous of us. Imagine a little lizard with bangs or something? It just wouldn’t be right. Sorry!

Episode Notes

Mammals pretty much have the market cornered on hair, and you know all the other types of animals are jealous of us. Imagine a little lizard with bangs or something? It just wouldn’t be right. Sorry!

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

While you're at it, check out the Tangents crew on Twitter: Stefan: @itsmestefanchin Ceri: @ceriley Sam: @slamschultz Hank: @hankgreen

If you want to learn more about any of our main topics, check out SciShowTangents.org!

[Truth or Fail]

Camarillo white horse

https://books.google.com/books?id=WyYDAAAAMBAJ&pg=RA1-PA216&lpg=RA1-PA216&dq=%22telescopic+sight%22+spider+silk#v=onepage&q=%22telescopic%20sight%22%20spider%20silk&f=false

https://vgl.ucdavis.edu/services/horse/CamarilloWhite.php

https://www.camarillowhitehorses.org/history_camarillo_white_horses.html

African crested rat

https://royalsocietypublishing.org/doi/full/10.1098/rspb.2011.1169

https://www.sciencemag.org/news/2011/08/case-poisonous-rat

https://www.livescience.com/15360-crested-rat-poison-hairs-kills.html

Malabar giant squirrel

https://www.nationalgeographic.com/animals/2019/04/indian-giant-squirrels-colors-camouflage/

https://www.theguardian.com/environment/shortcuts/2017/jan/08/colour-changing-cats-warn-radioactive-waste-nuclear-plants-distant-descendants

[Fact Off]

Hyena poop hair preservation

Graphene hair dye

https://www.eurekalert.org/pub_releases/2018-03/nu-gfn031218.php

https://www.cell.com/chem/fulltext/S2451-9294(18)30082-2?_returnURL=https%3A%2F%2Flinkinghub.elsevier.com%2Fretrieve%2Fpii%2FS2451929418300822%3Fshowall%3Dtrue

[Ask the Science Couch]

Grey hair

www.scientificamerican.com/article/why-does-hair-turn-gray/

https://science.sciencemag.org/content/307/5710/720

https://www.cell.com/cell/fulltext/S0092-8674(05)00293-X?

https://www.fasebj.org/doi/full/10.1096/fj.08-125435

Stress

www.theguardian.com/science/2020/jan/22/stress-speeds-up-hair-greying-process-science-confirms

https://www.nature.com/articles/s41586-020-1935-3

https://www.health.harvard.edu/blog/hair-turn-gray-2017091812226

[Butt One More Thing]

Trichobezoar 

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3083501/