What is a cell?

When Harvard PhD student Jennifer Brea is struck down at 28 by a fever that leaves her bedridden, doctors tell her it’s "all in her head."...

Darwin's great insight – that life has evolved over millions of years by natural selection – has been the cornerstone of all David...

Earth teems with a staggering variety of animals, including 9,000 kinds of birds, 28,000 types of fish, and more than 350,000 species of beetles....

Many geneticists and archaeologists have long surmised that human life began in Africa. Dr. Spencer Wells, one of a group of scientists studying the...

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

THE BRAIN is an astonishing voyage of discovery into our last biological frontier. Although today s computers can make calculations in one-100th of a...

Featuring Michael Pollan and based on his best-selling book, this special takes viewers on an exploration of the human relationship with the plant...

David Attenborough takes us on a guided tour through the secret world of plants, to see things no unaided eye could witness. Each episode in this...

A documentary that explores the natural world of the sea, from the single-celled organism to more complex forms of life, OCEAN ORIGINS was originally...

A documentary of insect life in meadows and ponds, using incredible close-ups, slow motion, and time-lapse photography. It includes bees collecting...

Travel alongside the astronauts as they deploy and repair the Hubble Space Telescope, soar above Venus and Mars, and find proof of new planets and...