"Embarrassing things that might happen to you while using a lightsaber."

The true story of the student who mistook two famous unsolved math problems as homework and solved them.

Invention of the day: A vaccine against nicotine.

"The first photon gun capable of firing single particles of light over optical fibres was unveiled..." This is a significant advance in developing commercially viable quantum cryptography.

So you want to learn chess tactics... (Via Volokh.)