1. Totally Wild: A Zoo In Your Backyard
2. Science

The force that holds us to the surface of the Earth, and holds the Earth in orbit around the sun, may be a trick of the mind. We feel it, but it may not be real. Is gravity an illusion?

Antarctica was once in the centre of supercontinent Gondwana. Traces of these connections remain in its plants and marine life.

This is an eye-opening episode into past, present and future efforts to unlock superhuman potential with the power of machines.

Scientists have discovered pathogens that turn insects into zombies. Viruses are attacking humans every day - are we at risk of becoming puppets?

Every animal in Antarctica answers the call of the seasons. The continent itself is vastly different in summer and winter.

After Shepard's voyage to space, JFK issues a challenge for NASA to send a man to the moon. A question looms over the astronauts: what's next?

Tells the story of scientific advances in fertility treatments, improving the life of the foetus and bringing up baby.

Its body spans the globe, its heart beats with a 1000-year pulse and it could even have an immune system capable of annihilating all life on earth.

On the eve of Shepard's flight, bad weather interferes. Louise learns of a secret, and tensions between Shepard and Glenn reach a breaking point.

Even in the coldest, driest and most inhospitable place on Earth, life finds a way to survive - and thrive.

The last three decades have revolutionised our knowledge of the most complex piece of matter in the known universe - the human brain.

There are 25,000 islands in the vast Pacific Ocean. Each one fosters its own ecology with unique rules and behaviours.

With JFK in office, NASA finds itself under scrutiny. Shepard's flight is delayed, while the Russians beat the US in another significant feat.

Myth-busting meets natural history with Tim Warwood and Adam Gendle.

Myth-busting meets natural history with Tim Warwood and Adam Gendle.

With added facts. A bottlenose dolphin has a raspy voice and needs to see the doctor to get the all-clear.

By focusing on the small scale processes of the human body, scientists have developed breakthrough treatments for disease and new understandings of our deadliest new epidemics.

The stability of the US, Europe, China, or any global power depends on high-speed digital communication. With a little imagination, could a few terrorists sabotage this massive network?