SpaceDwarf planet Eris may reveal quantum gravity The Pluto-killer is at it again: studies of the small world and its moon may also knock down popular theories of dark matter and dark energy 51¶¯Âþ
TechnologyShiver me timbers: The coolest warship ever made Unsinkable and bulletproof, battleships made from icebergs were the great hope of the second world war, says Stephen BattersbyFeatures