Secrets of Skin

BBC FOUR

Friday 28 July 2023  01:15 - 01:45 (30 mins)
2/6. What makes sharks built for speed? How do snakes move without limbs? How do sugar gliders fly without feathers? The answers all lie in their skin. Also in HD. [S]

Secrets of Skin may be available on playback
Secrets of Skin (BBC FOUR) Friday 28 July 2023 01:15 - 01:45