HumansOur dexterous thumbs have a 2 million-year-old origin Our thumbs allow us to use a variety of tools, from hammers to smartphones, and a new analysis of hominin fossils suggests they have a long history News
HealthBad balance: why dangerous falls are on the rise around the world Modern lifestyles are making our balance worse – and leaving us more vulnerable to devastating trips and falls. The good news is, it's never too late to regain your poise Features