Plants that have developed to thrive in the desert, including cacti that grow in the shade of other trees and collect water in pleated trunks that expand and contract - but can also find themselves a host to other plants, like desert mistletoe. This programme also reveals how tobacco plants being eaten by caterpillars are able to summon the creatures' natural predators, and how tumbleweeds roll across the landscape, only unfurling and growing when they encounter rain.

Our relationship with destruction is not a simple one. It can release endorphins and relax our minds. It can amp us up and make us even more aggressive. It can even help us regulate our emotional reactions. Can violently breaking things calm us down? Or does it simply anger us more? Find out as Michael Stevens takes a look into our urge to destroy.

Have planet hunters finally found proof of other Earth like worlds? Astronomers have now discovered over two hundred alien worlds, beyond our solar system, that were unknown just a decade ago. Discover planets that rage with fiery hurricanes and bizarre planets covered by water so dense that it forms a kind of hot ice. Among these weird worlds, Earth actually seems like the oddball.

Will Smith discovers hidden worlds of fast and slow in the Earth's oldest desert. Worlds where things go so fast or so slow we don't even know they're happening. This hidden world of speed is everywhere, even 80 feet underwater. Hundreds of tiny anemones, anchored to the rocks, but film them patiently, then speed it up, and this miniature world comes to life. A lizard's tongue is one of the fastest movements in the entire animal kingdom. An orca creates a shock wave by slapping her tail and that pulse can travel through the water at more than a thousand miles an hour. to stuns the herrings she hunts.

Trading in the animal world for the vegetable one, the garden is a place where ingredients for some of Ludo’s favorite dishes are cultured, grown and harvested. Today’s chef reveres his gardener as much as his butcher.
In this episode, Ludo explores the vegetables, gardens, and memories he uses to cook some of his dishes. We also explore how terroir is as much a place as a taste.

The jeweled-encrusted pectoral of King Tut is a hieroglyphic artefact of stunning craftsmanship and one of the greatest treasures of the pharaohs. Was this ancient glass scarab in Tutankhamun's tomb created by forces from beyond our world? Using new research and the latest tech, experts confront the ancient mystery of its flawless glass scarab.
Is a 4,000 year old clay tablet the original instruction manual for Noah's ark? And how can a bizarre red moon rock contain signs of life?