TechnologyNet worth: Reclaiming our personal data We give our data away in exchange for a superconnected world. Now there's a way to take it back – and grab a share of the profit, says MacGregor CampellFeatures
HumansLucky accidents of human evolution: Switch to starch In 6 million years, our diet gradually changed from fruit and leaves to starchy grains. Genes involved in digestion offer a timeline to those dietary changes Features