Secret History documentary charting an astounding archaeological investigation in South Africa that has discovered the remains of an entirely new species of human ancestor: Homo naledi. Following an expedition by a team of experts, led by Professor Lee Berger, as they recover over 1,500 fossilised bone fragments from a deep and nearly inaccessible cave and conduct extensive analysis
Armed with the latest global scientific research, Chris Packham and Liz Bonnin battle it out to find the definitive answer to the burning question - which are best, cats or dogs? Part 2: Chris Packham and Liz Bonnin present the second of two programmes in which pooches and pussies are put through a number of tests to see which family pet comes out on top. There are five more rounds, concentrating on which animal is easiest to train, communication, which is best at helping reduce people's stress, independence and the big question - do cats and dogs really love their owners? On the search for answers, dog-lover Chris meets a Border Collie which can recognise more than 150 words and Liz meets a cat capable of choosing its own TV channels.
The human eye is an amazing mechanism, able to detect anywhere from a few photons to a few quadrillion, or switch focus from the screen in front of you to the distant horizon in a third of a second. How did these complex structures evolve? Joshua Harvey details the 500 million year story of the human eye.
Life and Death explores the impact of Darwin’s ideas on our understanding of the meaning of extinction and the interconnections between all life on earth and the environment. Darwin learned many lessons from the giant fossils of extinct animals he found in Argentina and Chile. He eventually revealed to us the unpalatable truth that the logical conclusion to evolution is not perfection but extinction. The extinction of one species creates an environmental niche for new species to fill. Darwin’s theory also gives us vital knowledge we can use to help prolong the existence of our species by respecting the interconnections between all elements of the natural world and the environment. It’s a story in which Darwin’s ideas are taken up with great enthusiasm by his followers throughout the 20th century. But humanity misses one opportunity after another to acknowledge and reduce its destructive impact on the planet. As a result we have set in motion the sixth mass extinction of life on earth. And we are running out of time to do something about it by preserving ecological "hotspots" like certain rainforests which are some of the most productive cradles of evolution. This programme is a warning, but also a celebration, of the knowledge Charles Darwin gave us in his theory of evolution. It confirms that Darwin’s theory continues to inform our understanding of ourselves, our planet and the intricate interconnections between all life on earth.
With the arrival of spring, days grow longer and temperatures rise. But spring in Alaska is short. Animals have two months to feed, and start a family, while avoiding predators. Spring is also the time that millions of birds return to Alaska.
This special, narrated by Andrew Scott, celebrates spring on planet Earth, and the extraordinary tricks that animals and plants find to rise to the new challenges it brings. This magical season brings a burst of new life - but as soon as the air starts to warm, it's a race to wake up and get ahead of everyone else. For many, it's the perfect time to find a mate and raise babies - but for everything, from adventurous grizzly bear cubs and amorous dancing grebes, to flowers in the desert and swifts that fly marathons, spring is about rushing to make the most of the opportunities this busy season brings.
Siberia - It accounts for 10% of the land on our planet. Siberia is known for its frost and is known worldwide as one of the coldest places on earth. However, Siberia is home to numerous species of large wild animals, beasts and other creatures, including musk deer, camel, gazelle and rare species of lizard - Siberian salamander, which can be several years in a frozen state at - 40gradusov C and survive. From the cold north to the southern steppes - all Siberia, in all its splendor. Kamchatka - Land exploding volcanoes and glaciers, a country of ice and fire.