SpaceImmortal stars could live forever by 'eating' dark matter A computer simulation of stars near the centre of our galaxy offers an explanation for their mysteriously young appearance – they may be capturing dark matter for extra fuel ¿ìè¶ÌÊÓÆµ
HealthThe world is losing major ground in the fight against measles A wave of anti-vaccine sentiment has spurred measles outbreaks around the world, and could lead to outbreaks of other preventable illnesses Analysis