Add Yahoo as a preferred source to see more of our stories on Google. Hank Green’s latest SciShow video, "Physicists Don’t Understand Why Knitting Works," sparked frustration among knitters online.

You probably think of willpower as whether or not you're going to reach for that second piece of pie—but according to psychology, it's a little bit more complicated! Learn how willpower and ...

(via SciShow) The island of Surtsey off the coast of Iceland popped up basically in a week, and it's been a perfect natural experiment for ecologists. See, a new island means a sterile ecosystem that ...

(via SciShow) Most science experiments take a few months or years, but some take a whole lot longer. Here are six of the longest-running experiments of all time, including one expected to last 500 ...