TechnologyUltra-strong stretchy material could enable shape-shifting aircraft A new procedure turns an alloy of nickel and titanium into a material as strong as steel but 20 times stretchier – and one application could be building planes with shape-shifting wings ¿ìè¶ÌÊÓÆµ
ChemistryHow to make a perfect baked Alaska? It's all about thermodynamics Getting this delicious cooked ice-cream dessert right requires a little bit of science know-how to avoid a melted disaster, says Catherine de LangeRegulars