U&Eden +1 Saturday

David Attenborough examines the emperor penguin and the wood frog, both of which survive in conditions so cold they seem to defy the laws of nature

Two families with remarkable powers of regenerating unusually large body parts easily - salamanders and male moose

The naturalist continues to explore the secrets behind evolution, this time focusing on the animal kingdom's bizarre hybrids, including the 'pizzly bear'

A chance to buy goods from the comfort of home

A two-hour special featuring a deserted Caribbean city, an American ghost town still burning and an Arctic settlement facing a terrifying future

A now-silent site that played a pivotal role defending the USA through the 20th century. Plus, a crumbling Italian fortress and a ghostly Ukrainian mansion

A juggernaut of Soviet engineering which was crucial to the international space race. Deserted Scottish coastal defences and a complex that's crucial to American history

A two-hour special featuring a deserted Caribbean city, an American ghost town still burning and an Arctic settlement facing a terrifying future

A now-silent site that played a pivotal role defending the USA through the 20th century. Plus, a crumbling Italian fortress and a ghostly Ukrainian mansion

A juggernaut of Soviet engineering which was crucial to the international space race. Deserted Scottish coastal defences and a complex that's crucial to American history

David Attenborough offers an insight into the most successful animals on the planet, revealing warm-bloodedness as one of the key factors in mammals' global domination

David Attenborough offers an insight into insect-eating animals, including shrews that dive under water, moles that 'swim' in sand, and bats that hunt in packs on the ground

David Attenborough observes the feeding habits of herbivores, including elephants forced to undertake epic migrations to ensure a steady diet of the plants they need to survive

David Attenborough examines the world of rodents, including mice and squirrels, which can chisel their way through any obstacle with their constantly growing incisor teeth

David Attenborough examines the hunting tactics of the world's carnivores, from Arctic foxes in the frozen north to the big cats of the southern hemisphere

David Attenborough offers an insight into the most successful animals on the planet, revealing warm-bloodedness as one of the key factors in mammals' global domination

David Attenborough offers an insight into insect-eating animals, including shrews that dive under water, moles that 'swim' in sand, and bats that hunt in packs on the ground

David Attenborough observes the feeding habits of herbivores, including elephants forced to undertake epic migrations to ensure a steady diet of the plants they need to survive

David Attenborough examines the world of rodents, including mice and squirrels, which can chisel their way through any obstacle with their constantly growing incisor teeth

David Attenborough examines the hunting tactics of the world's carnivores, from Arctic foxes in the frozen north to the big cats of the southern hemisphere

David Attenborough offers an insight into the most successful animals on the planet, revealing warm-bloodedness as one of the key factors in mammals' global domination

David Attenborough offers an insight into insect-eating animals, including shrews that dive under water, moles that 'swim' in sand, and bats that hunt in packs on the ground

David Attenborough observes the feeding habits of herbivores, including elephants forced to undertake epic migrations to ensure a steady diet of the plants they need to survive

The curious creatures that have led to accusations of forgery, such as the duck-billed platypus which when brought by explorers to England in 1799, was considered a hoax