Out of the Cradle

In 2001, Jimmy Wales published the first article on Wikipedia, a collaborative effort that began with a promise: to democratize the spreading of knowledge, monopolized by the elites for centuries. But is Wikipedia really a utopia come true?

In the company of zoologist Patrick Aryee, a discovery of the 37 species of felines that inhabit the planet, some little known, others threatened.

As the largest island in the Caribbean, Cuba is host to spectacular wildlife found nowhere else on the planet: from the jumping crocodiles of the Zapata swamp to the world's tiniest hummingbird, from thousands of migrating crabs to giant, bat-eating boas that lie in wait for easy prey. Decades of a socialist, conservation-minded government, American embargoes and minimal development have left the island virtually unchanged for 50 years. As international relations ease, what will become of this wildlife sanctuary?

Cats are cuddly felines and lovely pets, but also highly evolved predators that hunt huge amounts of small mammals, birds and reptiles; perfect killing machines that threaten delicate ecosystems around the world.

BBC The Natural World. In 2004, a team from the Planet Earth series captured the first ever film of a wild snow leopard in the mountains of Pakistan. For Nisar Malik, who led the expedition, these images sparked a passion that compelled him to return. With cameraman Mark Smith, he spent two years documenting the snow leopard's daily life, finally lifting the veil on the most elusive of all cats.

Follow ocean legend Sylvia Earle, renowned underwater National Geographic photographer Brian Skerry, writer Max Kennedy and their crew of teenage aquanauts on a year-long quest to deploy science and photography to inspire President Obama to establish new Blue Parks to protect essential habitats across an unseen American Wilderness.

David Attenborough narrates this close up look at these tiny pollinators captured in flight as never before. Acrobats of the air - flying jewels - iridescent partners of countless plants: hummingbirds are amongst the most remarkable creatures on our planet.