LifeWhen did animals like foxes first start living alongside people? We used to think "synanthropic" animals like raccoons, foxes and ravens started living alongside people around the time of the agricultural revolution, about 10,000 years ago. But it could have been much earlier, says Michael Marshall Comment
HumansCan we ever know who invented the wheel? Some of the most important inventions – wheels, nets and the written word – have creators lost to time, even though their impact shaped the world we live in ¿ìè¶ÌÊÓÆµ