I’m Not a Robot is a fun browser game made by Neal Agarwal that’s been getting a lot of attention lately. The game asks you to prove that you are human by completing different tests. Some are funny, ...

If you've ever held or beheld a diamond, there's a good chance it came from a kimberlite. Over 70% of the world's diamonds ...

Diamonds are made out of carbon — highly organized carbon, that is. Geologists are still guessing how diamonds formed in the Earth from 1 billion to 3 billion years ago.

Rice University researchers used a focused electron beam to pattern device functions with submicron precision directly into ...