Kate Humble: Into the Volcano - Season 1 Episode 2

Horizon tells amazing science stories, unravels mysteries and reveals worlds you've never seen before.

In each episode, geologist Dr. Iain Stewart explains the effects and importance of a specific force of nature, such as wind or volcanism. He also...

Hannah Fry takes a spectacular look at the science of size by imagining a parallel world in which everything is made bigger or smaller.

This ground-breaking two-part series takes us inside two of the most amazing structures in the natural world: our hands and feet.

Chris Jackson, Xand Van Tulleken and Aldo Kane take part in an extraordinary expedition to one of the world's most dangerous, spectacular and least...