Space.com on MSN

How a medieval Oxford friar used light and color to find out what stars and planets are made of

During the 1240s, Richard Fishacre, a Dominican friar at Oxford University, used his knowledge of light and color to show ...

Simple-looking math equation leaves people confused - can you solve it in 30 seconds?

An easy-looking equation has proved difficult to solve for many online. Can you remember a golden rule from math lessons to ...