It's enough to make Darwin rethink his whole darn theory. The way evolution is supposed to work is that a thing gets better the longer it survives. It's supposed to adapt to its surroundings. It's ...

Leap year happens once every four years for a good reason: Without it, December would eventually drift into summer. We get a bonus day on Thursday — Leap Day, February 29 — to keep the seasons in ...

Leap Day is February 29. A simple animation shows the purpose of this bonus day. Leap years realign our calendars with the equinoxes and solstices to keep up with changing seasons. Without leap years, ...