Human Nature

Human Nature encompasses peoples' actions, perceptions, and thought processes. Topics include food cravings, mind-reading, and contagious yawning.


If someone told you sugar makes kids hyper and cats are after your baby's air supply, you've heard some old wives' tales. Is there any truth in them?

Sucking on a thumb is a normal reflex that soothes children in times of stress; it's essentially a security blanket that's attached to the body. But will this innocent gesture wreck their teeth?

This expression is repeated about as often apples are eaten. But does it have any truth to it? Should the apple really take credit for keeping people in impeccable health?

Another headache? Time to reach for your snake oil -- or maybe your electromagnetic belt. Quacks have pulled the wool over people's eyes for years in the name of medicine. Here are 10 of their more outrageous cons.

Your senses help you navigate through the world more than you might realize. And what about ESP? These pictures take you through the world of senses from your nose and the inside of your ear to the exploration of mind reading.

Why does the combination of orange juice and toothpaste have to taste so awful? Why can't your sense of taste resolve the problem?

Smell is a basic sense, but scientists are still exploring how it works. Why are researchers, developers and even government agencies so curious about smell? What makes a seemingly simple sense so tantalizing?

Taste might seem like the simplest sense. But we know much less about taste than we do about sight and hearing. Why is taste so mysterious? And what on earth is umami?

We've all heard questionable medical assertions, such getting arthritis from cracking your knuckles. Read our list of 9 medical myths.

The intimate connection between body, mind and spirit has been known and honored in Eastern medicine for millennia. Learn more about how you can create emotional well being to help cure your ills.

Ears are truly extraordinary organs and hearing is a fascinating process. Ears pick up all the sounds around you and then translate this information into a form your brain can understand.

A new website will do the dirty work for you via Snapchat, text, letter or awkward phone call.

What causes smell? When I walk into a bakery, I smell the bread. What actually has happened? Do objects give off pieces of matter? What has entered my nose to cause the sensation of smell?

Light is what drives life. It’s hard to imagine our world and life without it. The sensing of light by living things is almost universal. Find out all about the amazing inner workings of the human eye.