EarthGulf of Mexico becomes an accidental laboratory An army of ecologists is gearing up for an arduous campaign to document the damage caused by the Gulf oil spill and chart the eventual recovery 51¶¯Âþ
SpaceStar wars: a new hope for arms control in space The regulation of space weapons and satellite interceptors is back on the US agenda, but will everyone agree before Earth is caged in orbiting junk? 51¶¯Âþ