The human body is a walking wonder—packed with secret features, bizarre abilities, and mind-blowing facts that most people have never even heard of.From strange built-in defenses to mysterious inner ...

From periods of rapid aging in our 40s and 60s to ancient brains that don’t decompose, here are some of the year’s most intriguing stories about human biology It can sometimes feel like health ...

Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Each human is a ...

The human brain, a complex organ, consumes a significant amount of energy despite its small size. Neurons communicate rapidly, enabling quick reactions and efficient information processing. The brain ...

Aging is the process of getting older. In biology, aging refers to how, over time, the cells in our bodies wear out or get damaged. They no longer work as well as they used to. Some visible signs of ...

In 1758, Swedish biologist Carl Linnaeus gave humans a scientific name: Homo sapiens, which means "wise human" in Latin. Although Linnaeus grouped humans with other apes, it was English biologist ...