The deadly tentacles of the Portuguese man o’war | Blue Planet II
The Portuguese man o'war is armed with tentacles, up to 30 metres long. Each is armed with thousands of stinging cells.Tweet
S04E06 | Bang Goes the Theory
Liz Bonnin looks at the controversial science of genetically modified crops in Hawaii, while Dallas tries to remedy Jem's dust allergy by making him eat worms.
An Introduction to Homeostasis | The Human Body : The Secrets of Your Life Revealed
We live on a knife edge, and we are amazingly good at doing it. Chris van Tulleken gives a simple introduction to homeostasis, the miracle of survival.