PhysicsUltra-thin material creates a magnetic mystery The soft metal bismuth may be a wonder material for electronics – particularly because of one surprising behaviour it displays when exposed to magnetic fields ¿ìè¶ÌÊÓÆµ
CommentOur writers pick the 26 best science fiction short stories of all time We asked ¿ìè¶ÌÊÓÆµ writers to pick their favourite sci-fi short story. From H.G. Wells’s The Time Machine to Octavia E. Butler’s Bloodchild, via stories from George R. R. Martin and Ursula K. Le Guin, here are the results Culture