SocietyThis is how to avoid annihilating ourselves in a nuclear war We have been lucky to dodge nuclear Armageddon so far, but we can't keep trusting to fortune. If we don't want to wipe ourselves out, here's what we need do next, says Mark LynasComment
ChemistryNuclear fusion fuel could be made greener with new chemical process Lithium-6 is a crucial material for nuclear fusion reactors, but isolating it is challenging – now researchers have found a way to do this without using toxic mercury ¿ìè¶ÌÊÓÆµ