TechnologyCrowd IQ is proof that the hivemind is usually best A way of measuring a crowd's cleverness shows why they are so useful – and can give insights into how to get the best out of them ¿ìè¶ÌÊÓÆµ
LifeBiological clock began ticking 2.5 billion years ago An enzyme found in nearly all forms of life runs on a 24-hour clock and dates back to a pivotal moment in evolution ¿ìè¶ÌÊÓÆµ