The hunt for life within the long-dead bones of dinosaurs may sound like the stuff of Hollywood fantasy - but one woman has found traces of life within the fossilised bones of a T rex. Dr Mary Schweitzer has seen the remains of red blood cells and touched the soft tissue of an animal that died 68 million years ago. Most excitingly of all, she believes she may just have found signs of DNA. Her work is revolutionising our understanding of these iconic beasts.
In New Zealand the travellers make their way through one of the most dramatic landscapes in the world. They are on a journey to find the last remaining kakapo, a fat, flightless parrot which, when threatened with attack, adopts a strategy of standing very still indeed.
The largest gorilla family in the world is starting the perilous journey down to feed on the fresh shoots of bamboo. They run the risk of being caught in illegal snares and Cantsbee, the dominant silverback, will have his work cut out keeping them all safe, especially those closest to him. Meanwhile on the other side of the Rwandan volcanoes a young gorilla has been deserted by her mother. She turns to her silverback father for guidance and protection, but is he up to the job? In Uganda, Marembo the teenage silverback has come of age. He has lived 15 years under the watchful eye of dominant silverback Rukina but now feels it is time to make the break on his own.
Horizon discovers what your cat really gets up to when it leaves the cat flap. In a groundbreaking experiment, 50 cats from a village in Surrey are tagged with GPS collars and their every movement is recorded, day and night, as they hunt in our backyards and patrol the garden fences and hedgerows. Cats are fitted with specially developed cat-cams which reveal their unique view of our world. You may think you understand your pet, but their secret life is more surprising than we thought.
Simon discusses the challenge of preserving unspoilt wildernesses, from the icy expanses of Siberia to the tropical forests of central and South America. Simon reflects on how his past series have dealt with the causes and impact of climate change, as well as remembering a memorable report exposing the extent of plastic pollution in the ocean. He also recalls meeting indigenous people around the world and hearing their first-hand experiences of ecological damage.
The Luangwa Valley in Zambia experiences one of the toughest dry seasons imaginable. Seven months with no rain and spiralling temperatures. And with this year’s El Nino conditions the drought is threatening to be even more intense than usual.