Explore 成人快手 Four鈥檚 new season, examining bodies like never before. Starts Tue 18th Feb.
成人快手 Four brings you a series examining bodies like never before.
In the 1920s, a Vienna doctor called Steinach claimed he could rejuvenate old men.
The humerus of the mole is bizarrely shaped.
The spine of a cheetah is very flexible because of the loosely articulated vertebrae.
The skeletal adaptations of a horse鈥檚 leg make it one of the fastest runners on Earth.
Michael Mosley swallows three tapeworm cysts.
Michael Mosley uses a pill camera to see the tapeworm growing inside him.
Ben reveals how the rhino femur could be the strongest bone in the animal kingdom.
Evolutionary biologist Ben Garrod explores the skeleton: nature from the inside out.
Ben Garrod puts a roe deer femur to a stress test.
A look at lice feeding on Michael鈥檚 blood.
Michael Mosley is bitten by a medical leech.
Watch footage of a mole bone being created in a 3D printer
Amazing footage of Ben's skull being printed in 3D.
Dr George McGavin introduces the series Dissected: The Incredible Human Hand and Foot.
The team start the dissection of the foot, an intense moment for George McGavin.
It's surprising which fingers are most vital to the abilities of our hands.
A demonstration to show just how much sensation we have in our fingertips.
Tom Yendell is a foot painter, born without arms due to the drug Thalidomide.
George McGavin finds out the hard way how much fear can affect our balance.
Ben reveals how a tiny bone can give us clues to identifying what animal it belongs to.
