Is String Theory Strung Out?

In “Warhead,” neuroscientist and national security adviser Nicholas Wright explains how the brain navigates warfare and why it is our ultimate weapon (and instrument for peace).

If all massive objects emit Hawking radiation, not just black holes alone, then everything is unstable, even the Universe. Can that be true?

Many, from neuroscientists to philosophers to anesthesiologists, have claimed to understand consciousness. Do physicists? Does anyone?

You no longer need an army of followers to stand out as a writer — “one great piece is all it takes,” says Perell.

The fact that our Universe’s expansion is accelerating implies that dark energy exists. But could it be even weirder than we’ve imagined?