Do Polar Bears Have Fiber Optic Fur?

This video was sponsored by Planet Wild. Head to to watch some of their latest conversation missions or download the app to become a member. Humans may use fiber optic technology to make everything from novelty desk toys to high speed internet cables, but Nature has its own ideas. For decades, scientists have debated to what extent polar bears may use the optical properties of their hollow, transparent hairs to help keep themselves warm. Hosted by: Reid Reimers (he/him)
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: Matt Curls, Alisa Sherbow, Dr. Melvin Sanicas, Harrison Mills, Adam Brainard, Chris Peters, charles george, Piya Shedden, Alex Hackman, Christopher R, Boucher, Jeffrey Mckishen, Ash, Silas Emrys, Eric Jensen, Kevin Bealer, Jason A Saslow, Tom Mosner, Tomás Lagos González, Jacob, Christoph Schwanke, Sam Lutfi, Bryan Cloer
Looking for SciShow elsewhere on the internet?
SciShow Tangents Podcast:
TikTok: Twitter:
Instagram: #SciShow #science #education #learning #complexly
Sources: Images:,_Macro_visualization,_Demonstration_of_prof_Angel_Toshkov_to_students_6..JPG

See also  When Rats Invade, These Fish Farmers Chill Out
On this topic: ( from category Video )

Leave feedback

Your email address will not be published. Required fields are marked *


17 + ten =