Follows the first few months of a newborn humpback calf's life, as he learns to fend off the many hazards of the open ocean with the help of his devoted mother.
Dr Helen Czerski examines the hottest natural phenomena on the planet - lightning. Bolts of lightning five times hotter than the surface of the sun strike our planet over 3 million times every day - and yet we still know little about this deadly force of nature. Now, specialist photography is revealing how lightning travels through the air, high-speed cameras are unlocking the secrets of upward lightning that's triggered by our urban landscapes, and scientific expeditions are capturing rare images of intense electrical discharges over 80 kilometres wide.
Giant insects once dominated the earth before the dinosaurs. Thanks to new technologies combining genetics, ethology, geology and even particle physics, paleontologists can now recreate the missing branches of the tree of life. Assumptions have been shattered and all the rules are changing.
As a whole, Africa is a dry continent with deserts dominating the landscape. Wild Africa explores how these deserts were created, and the amazing ways in which animals and plants have evolved to cope with the meagre and unpredictable rainfall, intense solar radiation, shortages of food and lack of shelter. By traveling through the African deserts, Wild Africa reveals that given enough time, a diverse variety of animals and plants can make a living in even the harshest conditions.
High above the skies of Israel, an avian migration of staggering proportions attracts birdwatchers from all over the world. From gliding birds like the short-toed eagle to waders like red-necked phalaropes, here's your chance to track one of the most important stops on the bird migration route--no binoculars needed.