Why are you more likely to have a heart attack at eight o'clock in the morning or crash your car on the motorway at two o'clock in the afternoon? Can taking your medication at the right time of day really save your life? And have you ever wondered why teenagers will not get out of bed in the morning? The answers to these questions lie in the secret world of the biological clock.
4.42013HD
Is building our own starship Enterprise possible? Will we ever travel between the stars as easily as they do in Star Trek? JJ Abrams' new feature,...
02012HD
02012HD
72006HD
A documentary on Al Gore's campaign to make the issue of global warming a recognized problem worldwide.
6.52015HD
Professor Iain Stewart reveals the story behind the Scottish physicist who was Einstein's hero; James Clerk Maxwell. Maxwell's discoveries not only...
02013HD
What strange forces saved one isolated section along the Upper Mississippi River from the repeated crushing and scouring effects of glaciers during...
01937HD
Raising angora rabbits for wool; new marine navigation and safety technology; kitchen gadgets; developing new rose varieties.
5.52004HD
A group of renowned cosmologists and astrophysicist are in search of a realistic picture of the universe. Their research and observational...
61958HD
Fascinating -- and unintentionally funny -- experiments at Austria's famed Institute for Experimental Psychology involve a subject who for several...
02011HD
Documentary-maker David Malone delves into the secrets of ocean waves. In an elegant and original film, he finds that waves are not made of water,...
02002HD
This documentary examines theories behind the creation of gamma ray bursts, destructive explosions in space that can wipe out entire star systems.
8.72008HD
The Hobbit Enigma examines one of the greatest controversies in science today: what did scientists find when they uncovered the tiny, human-like...