January 1, 2004 • 1h
The mighty Himalayas and the Grand Canyon form before your very eyes, as Earth's evolution from the Big Bang onwards is charted by...Read more
January 8, 2004 • 1h
How does the passage of time affect the existence of life on Earth? Discover how soldier crabs have their own alarm clocks, how pl...Read more
January 15, 2004 • 1h
Time has increasingly become an obsession for the human race. Our internal body clocks dictate many of our actions despite the fac...Read more