All Videos

As globalization continues and the spread of genes between disparate populations increases, our biological features are likely to become more homogeneous. Culture, meanwhile, will continue to evolve at an explosive […]

Living with the Masai people of Tanzania convinced Donald Johanson that art first emerged from bodily decoration—which in turn emerged from the earliest human bonding rituals.

Don Johanson believes we didn’t interbreed with our ancient rivals—we just outcompeted them.

The group of fossils Don Johanson found in 1975 marked a watershed in the study of human origins—and deserves to be revisited today.

It’s true: the world’s most famous skeleton really was named after a Beatles song. And once she was “Lucy,” she became more than just a scientific specimen.

The discoverer of the “Lucy” fossil explains her impact on science, and describes what she would look like walking down a New York City street.

Even with modern GPS, scientists must “look and look and look and look” for remains worth digging up.

A conversation with the paleoanthropologist and founding director of the Institute of Human Origins.

Raising the standards of your dairy consumption can be a “gateway” step toward a healthier, more natural diet.

The author admits she bends her own rules to eat out sometimes, and hasn’t eliminated white sugar from her household. But for the most part, the foods she craves most […]

Substitute foods and engineered imitations are never as good as “real foods.”

An omnivore’s diet is best for fertility, pregnancy, and nursing—and will help make sure your offspring are healthy.

The farmers’ market pioneer explains why she and her family drink unpasteurized, unhomogenized milk, and why the rewards outweigh the risks.

While industrial meat production is environmentally destructive and socially unjust, raising animals for meat on in grass pastures actually enhances the environment.

Even if they lacked the variety we enjoy in modern supermarkets, our forebears ate healthy food that was, by and large, whole and unadulterated.

Our ancestors had a much lower incidence of diabetes, obesity and heart disease. Could it be because they ate traditional, “real” foods?

The author describes how growing up on the farm taught her to love “real foods” and how much healthier she became when she stopped being a vegetarian.

A conversation with the founder of London Farmers’ Markets and author of “Real Food: What to Eat and Why.”

The more potential dating partners we are choosing from, the more likely we are to choose someone based on looks.

About the only time our gut impulse can outperform our reason is if we have developed some kind of truly informed intuition.

Different cultures have different attitudes about options–and about how many choices a person needs to have in order to decide.

Most of the time, when we’re confronted by an abundance of choices, it’s because we’re novices and don’t know how to differentiate between them.

Animals, like humans, want to exert control over their lives with choices. Humans show this desire from a young age.

Growing up in a Sikh-American family, the business professor became fascinated with decisions. As she gradually grew blind, she wondered how much her own choices would be diminished.

A conversation with the Columbia Business School professor.

The Catholic Church will be “a different color” in 40 years. And there will likely be female priests.

This priest advises to stop “shoulding” all over yourself.

It’s dangerous to be spiritual without being religious, and vice versa.

Why the television host’s recent comment betrayed a fundamental misunderstanding of the gospel.

The Church’s sex scandal has nothing to do with celibacy and everything to do with a “culture of secrecy” that put the Church’s public image first.