We told you—these science facts are pretty amazing! Next, check out more “did you know” facts that are almost hard to believe.

What do you know about the endocrine system? In school, we learned that hormones and the glands that produce them comprise ...

Plus other weird things we learned this week. At Popular Science, we report and write dozens stories every week. And while a lot of the fun facts we stumble across make it into our articles ...