Your sleep-deprived brain behaves as if you were about to nod off to sleep, even when you're awake. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...

You can see it coming in right there, that little spot,” says neuroscientist and engineer Laura Lewis. A remarkably bright pulsing dot has appeared on the monitor in front of us. We are watching, in ...

Your memory relies on reusing, overlapping and adapting rather than on a fixed number of storage spots. When you purchase through links on our site, we may earn an affiliate commission. Here’s how it ...