A sweater knitted from a fibre that mimics polar bear fur offers as much warmth as a down jacket, despite being one-fifth as thick, according to a study published today in Science 1. The fibre ...

An artificial fibre that mimics polar bear fur has been made into a sweater that is said to be as warm as down feather but without its thickness, but not everyone is convinced by the researchers ...

Inspired by the structure of polar bear fur, researchers present a knittable aerogel fiber with exceptional thermal and mechanical properties. The fibers are washable, dyeable, durable, and well ...