Where are all the women scientists? The proportion of women studying science and engineering is rising, but women still don't fill many of the top jobs. Becky Oskin asks what's standing in their way, and what's being done about it Careers
PhysicsHow to cook up 'foamy' space-time in the lab The quantum foam thought to constitute space-time could now be whipped up in the lab, by creating transient "black holes" News