Secrets of a long life

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.

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

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....

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...

In this documentary, wealthy entrepreneur Bryan Johnson puts his body and fortune on the line to defy aging and extend his life beyond all known...

The documentary tells two very different human fates in the 1920s Soviet Union. Nikolai Vavilov was a botanical genius, Trofim Lyssenko was an...

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

The onset of the 21st Century will be an era in which the very nature of what it means to be human will be both enriched and challenged as our...

Introduction to DNA by Frank Baxter and Bell Labs.

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