A fiber inspired by polar bears traps heat as well as down feathers do

Staying warm, polar bear style

Pacific Science Center

What is the reason for some male polar bears having green hair? - Quora

Engineering with keratin: A functional material and a source of bioinspiration - ScienceDirect

Remarkable Adaptations - FasterCapital

Pacific Science Center

Making artificial muscles with a spin

How Polar Bear Fur Works Tremendously Impressive Morphologies

Engineering with keratin: A functional material and a source of bioinspiration - ScienceDirect

Polar Bear Adaptations - ppt download

Fur and feathers keep animals warm by scattering light

Tamara (Kern) Ehle posted on LinkedIn