LifeSome of our cells move – and they do it by emitting lots of chemicals A mammalian cell cannot crawl just anywhere – computer simulations based on experiments suggest that the chemicals the cells leach control the process ¿ìè¶ÌÊÓÆµ
SpaceHow the end of the universe was completely rewritten Cosmologists in the 1960s thought they had the end of the universe worked out – then an unknown PhD student called Beatrice Hill Tinsley upended it all ¿ìè¶ÌÊÓÆµ