Cellulose is the primary component of the cell walls of plants, making it the most common polymer on Earth. It’s responsible for the properties of materials like wood and cotton and is the primary ...

Peering into the jungle of microbes that live within us, researchers have stumbled across what seem to be an entire new class of virus-like objects. "It's insane," says University of North Carolina ...

After years of work, cognition and neuroscience doctoral student Hailey Welch is—for the first time—the lead author of a ...

The human body is packed with natural rhythms, from your sleep-wake cycle to the steady pulsing of blood through the brain to heart ...

When a wild orangutan in Sumatra recently suffered a facial wound, apparently after fighting with another male, he did something that caught the attention of the scientists observing him. The animal ...

When a person is at rest, meditating or reading a book, the parasympathetic nervous system is at work. Also known as the "rest and digest" system, the parasympathetic nervous system is responsible for ...