New scientific discoveries reveal some incredibly improbable connections.
Exploring questions like whether you could survive a falling lift or why the sky is blue.
Kevin Fong looks at how we can survive underwater and how the body responds to altitude.
Liz Bonnin meets some incredibly intelligent animals.
Photos of the series that get under the skin of nature's marvels; Inside Nature's Giants.
See more from Michael Mosley's history of surgery; Blood and Guts.
Michael Mosley pushes his body to the edge to find out The Truth About Exercise.
There are 70 million specimens to explore in the wonderful NHM.