Killer Instincts
Examines the lives of the barracuda, the leopard seal and the bull shark.
Examines the lives of the barracuda, the leopard seal and the bull shark.
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Electric clothes; wearable technology uses the body's own energy to charge a phone.
More people move to cities than ever before; apartments built on assembly lines.
A look at the societies that flourished 2,000 years before Christ.
A look at the areas around the world where planes, ships and people seem to vanish without a trace.
A look at the Salisbury Plain in England, Polynesian Islands, Giza Plateau in Egypt and more.
Recent studies reveal that the Mayas may have been victims of a cataclysm.
The East Australian current brings a warm change to cool temperate ecosystems.
A scientific expedition explores the biology behind the largest bony fish in the world.
Nigel continues his countdown of deadly snakes in Europe.
Nigel travels to India to track down more of the world's deadliest snakes.
Nigel Marven visits Australia to get up close to more deadly snakes and visits Australia Zoo.
Nigel travels to Malaysia to track down the ten deadliest snakes from the region.
Tasmanian Devils are the world's largest carnivorous marsupials and they are only found in Tasmania.
A group goes on a voyage of discovery to the unusual semidesert "Bardenas Reales."
Africa seen and described through the eyes of a wildlife photographer who has always been fascinated by the unique atmosphere of this extraordinary continent.
Exploring the vital role of elders in the well-being of communities and their responsibility.
Competition for dominance in the animal kingdom, like two massive elk clashing their antlers.
Experts explore the issue of sexuality and camaraderie in older animals.
Inside look at a land that has a natural event that happens only once every 100 years.
The Serengeti is home to some of the iconic animals of Africa and hosts an important natural event.
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