SciShow Tangents' Month of Fear continues! This week, Stefan is confronted by his fear of sharks! Thrill as we weave a tale of nigh-immortal sharks! Feel the chills run down your spine as you learn about how weird shark penises are! Try not to scream when you hear about Sharkarado, the Shark Colorado! This episode... might be too scary!!! 

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]

Still Shark Eggs

https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0052551

Tiger Shark Siblings

https://www.smithsonianmag.com/science-nature/baby-sand-tiger-sharks-devour-their-siblings-while-still-in-the-womb-46192985/

Thermal Vents

https://www.livescience.com/61699-skates-eggs-thermal-vents.html

[Fact Off]

White Shark Café

https://schmidtocean.org/cruise/voyage-white-shark-cafe/#data

http://whitesharkcafe.org/media/photos-videos

https://www.npr.org/sections/thetwo-way/2018/05/28/613394086/great-white-sharks-have-a-secret-cafe-and-they-led-scientists-right-to-it

https://www.sfchronicle.com/news/article/Mysterious-great-white-shark-lair-discovered-in-13234068.php

https://www.nature.com/articles/415035b

Greenland sharks eating seals

https://www.sciencedirect.com/science/article/pii/S0022098112001657?via%3Dihub

https://animals.mom.me/seals-sleep-4736.html

https://www.nationalgeographic.com/news/2012/6/120626-greenland-sharks-seals-sleeping-animals-science/

[Ask the Science Couch]

Intromittent organs/penises

https://academic.oup.com/icb/article/56/4/705/2198314

https://www.sciencemag.org/news/2013/06/scienceshot-birds-disappearing-penis

Shark claspers

https://www.sciencemag.org/news/2015/04/how-shark-penises-evolved

https://www.nature.com/articles/ncomms7698

https://www.sciencedirect.com/topics/agricultural-and-biological-sciences/clasper

[Butt One More Thing]

Coprolite shark tooth

https://www.earthtouchnews.com/discoveries/fossils/that-time-a-prehistoric-shark-took-a-bite-out-of-a-turd/