Jan Evangelista Purkyně

British inventor Harry Grindell Matthews demonstrates what he claims to be a directed energy weapon which has the potential to revolutionise warfare...

A look at the state of the global environment including visionary and practical solutions for restoring the planet's ecosystems. Featuring ongoing...

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

Nikola Tesla is considered the father of our modern technological age and one of the most mysterious and controversial scientists in history.

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...

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

Mountain Gorilla takes us to a remote range of volcanic mountains in Africa, described by those who have been there as ""one of the most beautiful...

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...

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