How do Whales, Penguins, and Polar Bears Keep Warm?

Have you ever wondered how animals can live in super cold places all the time? Jessi shows you how some cool animals like whales, polar bears, and penguins, keep warm! ---------- 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/SciShow Or help support us by becoming our patron on Patreon:   / scishow   ---------- Looking for SciShow elsewhere on the internet? Facebook:   / scishow   Twitter:   / scishow   Tumblr:   / scishow   Instagram:   / thescishow   SOURCES: http://education.nationalgeographic.c... http://www.history.navy.mil/museums/k... http://beyondpenguins.ehe.osu.edu/iss... http://www.acs.org/content/acs/en/edu... http://www.coolantarctica.com/Antarct...