All day long, our brains carry out complicated and energy-intensive tasks such as remembering, solving problems, and making decisions.

The brain is one of the body’s most energy-demanding organs, accounting for 2 percent of the body’s weight but consuming 20 ...

Seals have a reputation for being the laid-back loungers of the animal kingdom, but there’s a lot more going on beneath that ...

Often, these guesses are pretty accurate, and researchers are attempting to replicate that internal age calculator to figure out how old people are—not chronologically, but biologically. In a new ...

Even though I’m 78 years old, my mind is still as productive as it ever was,” writes. Here’s his No. 1 secret to staying ...