MEDICINE
Virtual body parts take guessing out of surgery Personalised simulations of live body parts means doctors could soon be testing treatments on your virtual twin before you undergo the real thing
ANIMAL BEHAVIOUR
Junk food stunts growth of young suburbanites In suburban America, crow parents are opting to feed their young easier-to-find, less nutritious food – and it is having a detrimental effect on their chicks
SPACE
Free-floating black hole may solve space ‘firefly’ mystery Astronomers are still struggling to explain a mysterious object that flared and dimmed in 2006. A rogue black hole might be to blame
