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A clip from Attenborough's Life of Mammals following a San tribesman in the Kalahari on an eight-hour persistence hunt, running down a kudu through harsh heat. It shows tracking, endurance running and the hunter's reaction after the kill.

Nate Harrison's 2004 video history of the Amen Break, a six-second drum sample from a 1969 b-side that became the basis of hip-hop sampling, jungle and drum and bass. It is also a meditation on cultural ownership and creativity.

The Computer History Museum's 25th anniversary celebration of the Commodore 64, recorded in December 2007, with a panel including Jack Tramiel and Steve Wozniak. It recounts the machine's launch and history.

A clip from BBC's Last Chance to See in which Stephen Fry and Mark Carwardine meet Sirocco, a kakapo, who famously tries to mate with Carwardine's head. The kakapo is a critically endangered flightless New Zealand parrot.

A condensed film of Dick Proenneke's footage of building a cabin and living alone in the Alaskan wilderness, using hand tools and local materials. It draws on the 8mm films he shot himself.

Code Rush is a 2000 PBS documentary following Netscape engineers during the year they open-sourced the browser as Mozilla. It shows the pressure and long hours of work in Silicon Valley at the height of the dot-com era.

A 52-minute short version of the documentary The End of Suburbia, about peak oil and the end of cheap energy. It argues that American suburbs depend on cheap oil and may become the slums of the future.

The first part of a four-part Channel 4 (UK) documentary series presented by Howard Goodall, this episode covers melody and why tunes affect us so deeply. It explains how melody works in Western music with historical background and music theory.

A short vintage film clip of Seymour Papert, creator of Logo, on using computers to spark children's imagination and learning.

Part one of a four-part upload of a BBC Horizon documentary featuring Richard Feynman, in which he talks about physics and looking at the world from another point of view.

A 1947 US military film that deconstructs how the Nazi regime used divisive propaganda and prejudice to split and control a population. It teaches viewers to recognise demagoguery tactics.

A clip from the documentary American Tongues about the isolated Tangier Island, Virginia, whose dialect is among the most unusual in the US. It is often said to resemble speech from centuries ago.

A 30-minute condensed version of the documentary I.O.U.S.A., which examines the growing US national debt and its consequences.

An excerpt from the documentary Mountain Talk on Appalachian English. Residents of Southern Appalachia talk about their dialect and give examples of its distinctive words.

A dramatization of a hypothetical Soviet first strike that destroys US bombers and Minuteman missiles, filmed with US Air Force cooperation. It is a short version of the 1979 documentary First Strike.

A three-minute clip from BBC's Planet Earth narrated by David Attenborough about Cordyceps, the fungus that infects insects and takes over their behavior. It shows an infected ant and its demise.

A short BBC clip in which David Attenborough shows a lyrebird imitating sounds, including camera shutters, car alarms and chainsaws. It comes from the BBC natural history series Life on Earth.

A short BBC Earth clip from David Attenborough's Life of Birds showing a lyrebird imitating sounds, including a chainsaw and camera shutter, so accurately it is hard to tell from the real thing.

A short BBC clip narrated by David Attenborough showing crows in Japan using city traffic to crack nuts, dropping them at intersections and retrieving them when the light changes.