Human Nature

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....

While life expectancy is increasing in Western countries, cases of diabetes, hypertension, obesity and cancer are increasing, and the use of...

Three million years ago, camels roamed through Greenland’s endless forests and our ancestors lived in the trees. It all came to an end with...

A documentary about the development and spread of the virtual currency called Bitcoin.

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

Principles of Curiosity presents a general introduction to the foundations of scientific skepticism and critical thinking, focusing on a simple...

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

William Shatner presents a light-hearted look at how the "Star Trek" TV series have influenced and inspired today's technologies, including: cell...

In a world where 92 million Americans rely on statins as their lifeline, one man's unexpected health journey uncovers a medical mystery that could...

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...

This film shows how far we have come since the cold-war days of the 50s and 60s. Back then the Russians were our "enemies". And to them the Americans...

From the unique vantage point of 200 miles above Earth's surface, we see how natural forces - volcanoes, earthquakes and hurricanes - affect our...