Why Sharks Don t Have Bones
It s Shark Week and we ve got some awesome shark facts for you. To start, did you know that sharks don t have bones? We ll tell you why in this bitingly good new episode of SciShow! ---------- Messages from our Subbable subscribers: Maitrayee, you are an awesome astrophysicist! - Matheen Never lose your imagination! - Michael Glibstrup ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/artist/52/SciShow Or help support us by subscribing to our page on Subbable: https://subbable.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Thanks Tank Tumblr: http://thankstank.tumblr.com Credits: Hank Green - Executive Producer / Host / Writer Blake De Pastino - Chief Editor Caitlin Hofmeister - Producer Stefan Chin - Graphics Louey Winkler - Camera Sarah Meismer - Editor Michael Aranda - Script Supervisor Sources: The Mechanical Behavior of Shark Skin - http://www.ias.ac.in/jarch/jbiosci/22/431-437.pdf Importance of Cartilage - http://www.elasmo-research.org/education/topics/p_cartilage.htm FISH TO TETRAPODS - http://en.wikipedia.org/wiki/Evolution_of_fish#Fish_to_tetrapods Leydig’s Organ - http://en.wikipedia.org/wiki/Leydig%27s_organ Chondrychthyes - http://en.wikipedia.org/wiki/Chondrichthyes Osteichthyes - http://en.wikipedia.org/wiki/Osteichthyes Evolution of Fish - http://en.wikipedia.org/wiki/Evolution_of_fish
