The human body is an amazing machine. Find out how it works from head to toe.
More About the Human Body
What goes on within the human skull is more complex and fantastic than anyone imagined. And scientists are finding ways to delve even deeper into what we know of the mind.
Cheeseburgers, smoking, stress—risk factors for heart disease, a malady reaching global epidemic proportions. Now, discoveries about genetic triggers may help us spot trouble before it starts.
Equal parts armor, air-conditioning system, and genetic heritage, skin is more than skin-deep. Scientists are probing beneath the surface of the body's largest organ.
Males will do whatever it takes to win the mating game: sing, dance, fight a rival, build a house, give a gift. But in the end, it's usually the females who do the choosing.
Phenomena: A Science Salon
National Geographic Magazine
Our genes harbor many secrets to a long and healthy life. And now scientists are beginning to uncover them
All the elements found in nature—the different kinds of atoms—were found long ago. To bag a new one these days, and push the frontiers of matter, you have to create it first.
Burn natural gas and it warms your house. But let it leak, from fracked wells or the melting Arctic, and it warms the whole planet.