Frames of Reference

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

SNIPERS: BULLETPROOF deconstructs and analyzes the little known sniper events that have occurred when no other course of action was possible. The peop...

In The Womb is a 2005 National Geographic Channel documentary that focus on studying and showing the development of the embryo in the uterus. The show...

There are endless gruesome ways that the world could end; through nasty, natural disasters or because of some man-made abomination. From maniac killer...

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 s...

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

Most people fully accept paranormal and pseudoscientific claims without critique as they are promoted by the mass media. Here Be Dragons offers a tool...

This documentary examines theories behind the creation of gamma ray bursts, destructive explosions in space that can wipe out entire star systems.

At Arecibo Observatory in Puerto Rico, Iliana Nossa studies the ionosphere. This short films tells the story of Columbian researcher Iliana Nossa as s...

Where did the universe come from and did a creator have a hand in making it? As scientists learn more about the universe, our ideas about exactly what...

Fascinating -- and unintentionally funny -- experiments at Austria's famed Institute for Experimental Psychology involve a subject who for several wee...

This shows physicist Stephen Hawking's life as he deals with the ALS that renders him immobile and unable to speak without the use of a computer. Hawk...