Google Removes ‘Don’t Be Evil’ Clause from Its Code of Conduct

Think organic food is better for you, animals, and the planet? Think again

Apple made more profit in three months than Amazon has generated in its lifetime

Forget carbon fiber—we can now make carbon nanotube fibers

A carbon nanotube is tough—by some measures, more than 30 times more robust than Kevlar. As they’re only a few atoms thick, however, that toughness isn’t especially useful. Attempts have been made to bundle them together, but nothing has worked out especially well; the individual nanotubes are typically short, and it’s difficult to get them to all line up in the same direction.