Why River Otters Have Bones In Their Hearts

Most mammals can develop bones in their hearts. For humans, it s usually a bad thing, but for river otters, it could be a useful adaptation. Hosted by: Stefan Chin SciShow has a spinoff podcast It s called SciShow Tangents. Check it out at Support SciShow by becoming a patron on Patreon: Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: BdTmprd, Jeffrey Mckishen, James Knight, Christoph Schwanke, Jacob, Matt Curls, Sam Buck, Christopher R Boucher, Eric Jensen, Lehel Kovacs, Adam Brainard, Greg, Sam Lutfi, Piya Shedden, Katie Marie Magnone, Scott Satovsky Jr, Charles Southerland, Charles george, Alex Hackman, Chris Peters, Kevin Bealer Looking for SciShow elsewhere on the internet Facebook: Twitter: Tumblr: Instagram: Sources: Cardiac skeleton overview Bones in the heart skeleton of the otter (2000) (2001) Healthy heart: lessons from natures elite athletes AHOOO Structures Osteogenesis and endochondral ossification Chimps develop os cordis Images: