EarthSummon the bee bots: Can flying robots save our crops? If bees are dropping like flies, robot insects may have to pollinate our fields. Building them is a huge task, but there are other ways for robots to aid bees Features
EarthSolar activity heads for lowest low in four centuries The sun's activity is in free fall, says a leading space physicist, which may slow global warming due to climate change. But don't expect a little ice age News