LifeHuman exodus may have reached China 100,000 years ago The standard story is that modern humans left Africa 60,000 years ago, but fossils and genetics hint that an earlier migration made it to China 51¶¯Âþ
HealthGenetic superheroes wanted to fight childhood diseases Biologist Stephen Friend is searching for exceptional people who carry genes for serious childhood disease but have never got sick – are you one of them? Opinion