Life Inside Out Season
Explore BBC Four’s new season, examining bodies like never before. Starts Tue 18th Feb.
Trail: Life Inside Out—BBC Four Trailers
BBC Four brings you a series examining bodies like never before.
The secret of eternal youth...?—The Fantastical World of Hormones with Professor John Wass
In the 1920s, a Vienna doctor called Steinach claimed he could rejuvenate old men.
The mole’s humerus—Secrets of Bones, Down to Earth
The humerus of the mole is bizarrely shaped.
The cheetah's spine—Secrets of Bones, Down to Earth
The spine of a cheetah is very flexible because of the loosely articulated vertebrae.
A horse's hoof—Secrets of Bones, Down to Earth
The skeletal adaptations of a horse’s leg make it one of the fastest runners on Earth.
Michael swallows three tapeworm cysts—Infested! Living with Parasites
Michael Mosley swallows three tapeworm cysts.
Tapeworm in Michael's gut—Infested! Living with Parasites
Michael Mosley uses a pill camera to see the tapeworm growing inside him.
The strongest bone in the animal kingdom?—Secrets of Bones, Size Matters
Ben reveals how the rhino femur could be the strongest bone in the animal kingdom.
Secrets of Bones: trailer—Secrets of Bones, Size Matters
Evolutionary biologist Ben Garrod explores the skeleton: nature from the inside out.
How strong is a deer femur?—Secrets of Bones, Size Matters
Ben Garrod puts a roe deer femur to a stress test.
Lice feeding on Michael’s blood—Infested! Living with Parasites
A look at lice feeding on Michael’s blood.
Leech sucks Michael's blood—Infested! Living with Parasites
Michael Mosley is bitten by a medical leech.
Web exclusive: 3D printing timelapse of a mole bone—Secrets of Bones
Watch footage of a mole bone being created in a 3D printer
Web exclusive: 3D printing timelapse of a human skull—Secrets of Bones
Amazing footage of Ben's skull being printed in 3D.
Preview Dissected: The Incredible Human Hand and Foot—Dissected
Dr George McGavin introduces the series Dissected: The Incredible Human Hand and Foot.
The first incision—Dissected, The Incredible Human Foot
The team start the dissection of the foot, an intense moment for George McGavin.
Which finger could you do without?—Dissected, The Incredible Human Hand
It's surprising which fingers are most vital to the abilities of our hands.
Sense of touch—Dissected, The Incredible Human Hand
A demonstration to show just how much sensation we have in our fingertips.
Foot Painter—Dissected, The Incredible Human Foot
Tom Yendell is a foot painter, born without arms due to the drug Thalidomide.
Fear of falling—Dissected, The Incredible Human Foot
George McGavin finds out the hard way how much fear can affect our balance.
Web exclusive: Reading the bones—Secrets of Bones
Ben reveals how a tiny bone can give us clues to identifying what animal it belongs to.




















