Why do people complain? Not to torture others with their negativity, surely. When most of us indulge in a bit of a moan, the idea is to "vent." By getting our emotions out, we reason, we'll feel better.
You probably heard the news last month: Scientists detected something called gravitational waves, and they are over the moon with joy. So, what’s a gravitational wave? Well, says Kelly Herbst, a physicist