MathematicsAim high but don't shoot for the moon, mathematicians advise According to a mathematical model of how people weigh up different outcomes, the optimal strategy is to be ambitious, but not overly so ¿ìè¶ÌÊÓÆµ
SpaceMillions of planets might form around supermassive black holes Massive amounts of dust swirl around active nuclei at the centres of galaxies, and these discs could give rise to vast numbers of rocky planets, some even the size of stars ¿ìè¶ÌÊÓÆµ