Cafe

You may know exactly what race you are, but how would you prove it if somebody disagreed with you?

Beach Stereotypes. Love 'em or hate 'em, we all know 'em.

Most people think the apocalypse would bring violence, crime, and selfishness. But according to scientists, that's just not realistic.

In a very short amount of time the human population exploded and is still growing very fast. Will this lead to the end of our civilization?

What vending machines can teach you about this country

Why do humans cook? Holidays are celebrated in many ways, but chances are they involve eating, and eating a LOT. Ever wonder why we cook our food? We do it because it tastes good, of course, and because our customs and traditions are built around it. But we also cook our food for some basic biological reasons, because of evolution. Some scientists think that figuring out how to cook actually MADE us human! If conversation gets a little dry around your holiday table, now you'll have some awesome science to share with everyone!

Imagine a group of people. How big do you think the group would have to be before there's more than a 50% chance that two people in the group have the same birthday? The answer is ... probably lower than you think. David Knuffke explains how the birthday problem exposes our often-poor intuition when it comes to probability.

Today, 96% of American consumers own at least one pair of jeans. But where did these durable duds come from? And how did they get so popular? Jessica Oreck shares the humble origins of blue jeans.

Children who develop remarkable skills at an early age are often knowns at prodigies, but what happens to these kids once they grow up?

Laughter may be contagious, but did you know rudeness is too? Is there a way to stop bad attitudes from spreading?

Some people in high school engage in risky behavior, such as drinking and smoking, in an attempt to be cool. Does this pay off long term? Join Tara as she reports on new research showing that being popular in high school might be bad in your adulthood!

Going green does not need to be a sacrifice, either for us as individuals or for businesses, governments and the economy.

Lissa Rankin, MD is an OB/GYN physician, author, keynote speaker, consultant to health care visionaries, professional artist, and founder of the women's health and wellness community OwningPink.com. Discouraged by the broken, patriarchal health care system, she left her medical practice in 2007 only to realize that you can quit your job, but you can't quit your calling. This epiphany launched her on a journey of discovery that led her to become a leader in the field of mind/body medicine, which she blogs about at OwningPink.com and is writing about in her third book Mind Over Medicine: Scientific Proof You Can Heal Yourself (Hay House, 2013).

Friendliness is a great virtue. Over-friendliness can be an unexpected problem.

Sport stacking, cup stacking, speed stacking - whatever you call it, this sport is mesmerizing to watch. Vox's Phil Edwards learned the basics about stacking.

We may have reached "peak beard."

Earth has a flag... and its story will move you.