EarthPrehistoric Planet 2 review: Attenborough returns to ancient Earth The second series of this show about Earth 66 million years ago is a joy to watch - but it inspires more than it informs. A little more science would have been nice Culture
PhysicsWe finally know why bubbles rise in a straight line in champagne In carbonated drinks, the wake from rising bubbles can disturb other bubbles. But when the molecules that give fizzy drinks their flavour coat the bubbles, they can form stable columns as they float 51¶¯Âþ