What is time? | Science News

In a world where clocks abound, we constantly ask, what time is it? But rarely do we stop to consider, what is time? In the July 25 Science News, our staff writers tackle this question. They take a look at time from three completely different perspectives -- body, brain and universe. You can read about these explorations of time and more at When it comes to the body’s clock, biologists ponder time from the perspective of evolutionary history. They want to know how and why life-fo