EarthScott Pruitt's climate denial may be Putin's real prize Did Russia back the rise of Donald Trump to see climate sceptics in power in the hope of saving its economic skin, wonders Owen Gaffney Comment
HealthArtificial embryo grown in a dish from two types of stem cells For the first time, researchers have made something resembling a mouse embryo without using an egg cell, allowing them to probe the early steps of development 51¶¯Âþ