We’re racing towards a future in which devices will be able to read our thoughts. You see signs of it everywhere, from brain-computer interfaces to algorithms that detect emotions from facial scans.

In a dark MRI scanner outside Tokyo, a volunteer watches a video of someone hurling themselves off a waterfall. Nearby, a computer digests the brain activity pulsing across millions of neurons. A few ...

A single, freely available, noninvasive brain scan done in just a few minutes during midlife can predict what chronic diseases are most likely to appear in the future, empowering people to make diet ...

An experimental brain scan may be able to accurately predict a person’s risk of age-related disorders. Image credit: Rafe Swan/Getty Images. Some people appear to age more slowly than others. This is ...