One of the first exoplanets ever discovered could actually be made of diamond

Remember 55 Cancri e? Sure you do — and if you don't, you should. After all, it may be the first diamond planet ever discovered that orbits a Sun-like star. At least we think it is; if there's one thing 55 Cancri e is good at, it's fooling astronomers into thinking it's something that it's not. » 10/11/12 11:28am 10/11/12 11:28am

New diamonds are ugly but useful — and old ones are pretty but weak

Materials scientists have created a substance called 'new diamond.' It has the hardness of diamonds, without one of their very significant weaknesses. Unfortunately, the 'new diamonds' don't have their advantageous sparkle either. Learn about the strength behind diamond's 'ugly stepsisters.' » 10/14/11 4:46pm 10/14/11 4:46pm