All day long, our brains carry out complicated and energy-intensive tasks such as remembering, solving problems, and making decisions. Subscribe to our newsletter for the latest sci-tech news updates.

Animal welfare becomes the responsibility of the animals themselves in the gorgeous, hypnotic Latvian animated feature “Flow,” in which a solitary cat encounters a catastrophic flood and, along with a ...

Perhaps the most famous line in ancient Greek thought comes from the philosopher Heraclitus, who said, You cannot step into the same river twice. That's because reality is not a static thing, but an ...