The Thread of Life

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....

After a woman's at-home DNA test reveals multiple half-siblings, she discovers a shocking scheme involving donor sperm and a popular fertility doctor.

Can science help us understand these crimes?

A well-preserved mammoth carcass is found in the remote New Siberian Islands in the Arctic Ocean, opening up the possibility of a world-changing...

Spared by cancer, diabetes and possibly Alzheimer’s, men and women of small stature are intriguing scientists that are trying to postpone...

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 dangerous idea has threatened the American Dream from the beginning - the belief that some groups and individuals are inherently superior to others...

How did your body become the complicated, quirky, amazing machine it is today? Anatomist Neil Shubin uncovers the answers in this 3-part science...

What if science could reverse the aging process? Follow the researchers as they decipher these mechanisms, with the promise of finding the elixir of...

This educational film from 1970 traces the inheritance of traits such as sex, eye color, height, and weight, showing the role of chromosomes and...

The film tells a very personal story from two perspectives: our protagonist is both doctor and patient. As a patient, he has struggled with recurring...