It was a difficult problem to crack, but scientists can at last explain why our teeth (usually) donÔÇÖt shatter after a lifetime of biting and chewing. FULL STORY >

An eerie green glow that has baffled sailors for ages is almost like a neon sea-based billboard selling sex for fireworms. FULL STORY >

Scientists say in an April issue of the journal Science, that large amounts of proteins clog up the neural connections in sleep-deprived brains. FULL STORY >

Just how far are we from recreating the human brain? Now movies like A.I., The Matrix, iRobot seem to suggest that machines can attain a level of human like intelligence.Two big scientific attempts the past number of years show that ?¡recreating the human brain might just be... FULL STORY >