A breathtaking adventure across five continents and through time to reveal nature's most vital secret. Watch a flying fox gorge itself on a midnight snack of figs. Climb into the prickly jaws of insect-eating plants. Witness a mantis disguised as a flower petal lure its prey to doom.

In 1858 Charles Darwin struggles to publish one of the most controversial scientific theories ever conceived, while he and his wife Emma confront family tragedy.

William Shatner presents a light-hearted look at how the "Star Trek" TV series have influenced and inspired today's technologies, including: cell phones, medical imaging, computers and software, SETI, MP3 players and iPods, virtual reality, and spaceship propulsion.

Documentary footage from various sources, set to music. Showing the whole of human life, from birth to death and beyond.

Documentary written and presented by scientist Richard Dawkins, in which he seeks to expose "those areas of belief that exist without scientific proof, yet manage to hold the nation under their spell", including mediumship, psychokinesis, acupuncture, and other forms of alternative medicine.