How "Cold-Blooded" Animals Survive the Cold

We humans can rely on our internal body heat to help keep us warm. But what can cold-blooded animals do when faced with the threat of freezing? Here are three creatures that have come up with some...“cool” solutions.

Hosted by: Michael Aranda

SciShow has a spinoff podcast! It's called SciShow Tangents. Check it out at http://www.scishowtangents.org
----------
Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow
----------
Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever:

Silas Emrys, Jb Taishoff, Bd_Tmprd, Harrison Mills, Jeffrey Mckishen, James Knight, Christoph Schwanke, Jacob, Matt Curls, Sam Buck, Christopher R Boucher, Eric Jensen, Lehel Kovacs, Adam Brainard, Greg, Ash, Sam Lutfi, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, charles george, Alex Hackman, Chris Peters, Kevin Bealer
----------
Looking for SciShow elsewhere on the internet?
Facebook: http://www.facebook.com/scishow
Twitter: http://www.twitter.com/scishow
Tumblr: http://scishow.tumblr.com
Instagram: http://instagram.com/thescishow
----------
Sources:
Overall
https://doi.org/10.1152/physrev.00016.2016
Painted Turtles
https://doi.org/10.1113/jphysiol.2002.024729
https://pubmed.ncbi.nlm.nih.gov/20535765/
https://doi.prg/10.1242/jeb.01123
Wood Frogs
https://pubmed.ncbi.nlm.nih.gov/32638259/
https://pubmed.ncbi.nlm.nih.gov/16244167/
https://medcraveonline.com/JIG/JIG-06-00078.pdf
Antarctic Nematodes
https://doi.org/10.1371/journal.pone.0233048
https://pubmed.ncbi.nlm.nih.gov/28082102/
https://pubmed.ncbi.nlm.nih.gov/12477892/
https://doi.org/10.1007/s00360-007-0202-3

Thank you to Prof. Jon Costanzo for the footage of the thawing wood frog, and Prof. D.A. Wharton for the footage of the freezing & thawing Antarctic nematode!

Image Sources:
Prof. D.A. Wharton, Department of Zoology, University of Otago.
Jon Costanzo, Professor Emeritus, Miami University
https://www.istockphoto.com/vector/cute-cartoon-turtles-in-different-actions-gm1162061210-318611317
https://www.istockphoto.com/photo/painted-turtle-on-a-log-gm577319508-99202675
https://www.istockphoto.com/photo/top-view-of-painted-turtle-swimming-through-aquatic-plants-in-pond-gm1275680485-375762910
https://www.nsf.gov/news/mmg/mmg_disp.jsp?med_id=79892&from=
https://www.istockphoto.com/photo/frozen-leaves-in-winter-gm629431490-112000347
https://www.istockphoto.com/photo/needle-leaves-of-a-conifer-tree-with-snow-gm1269039644-372564435
https://www.inaturalist.org/observations/40284316
https://www.istockphoto.com/photo/close-up-of-ice-surface-abstract-background-gm606198080-103939983
https://commons.wikimedia.org/wiki/File:TEV_protease_summary.png
https://www.istockphoto.com/vector/anatomical-heart-isolated-heart-diagnostic-center-sign-human-heart-cartoon-design-gm1177145926-328507854
https://www.istockphoto.com/vector/cartoon-rockets-space-rocketship-aerospace-rocket-and-spacecraft-ship-isolated-gm1096928360-294542037
https://www.istockphoto.com/photo/painted-turtle-on-wood-gm641565746-116235111