Polar bear and insulation

S2 Ep 23. The science behind some fascinating fur could help humans keep warm in space. A polar bear’s fur is brilliant at insulating it from freezing arctic temperatures. Each shaft of hair contains multiple chambers which trap heat close to the skin, making it an incredible thermal insulator. Now, scientists have copied its structure to build a light and flexible material which may be useful for the aerospace industry.Let us know what you think. #30AnimalsGet in touch: www.bbcworldservice.com/30animals

30 Animals That Made Us Smarter

Amazing things humans have learnt from the animal kingdom. Inspiring, fascinating, bingeable.Please note, we are no longer able to receive emails for this series.

• No. of episodes: 63
• Latest episode: 2022-01-17
• Technology

Where can you listen?