EarthGaia rebooted: New version of idea explains how Earth evolved for life The controversial Gaia hypothesis sees Earth as a superorganism adapted to be perfect for life. A weird type of evolution may finally show how that actually happens Features
HealthI'm travelling the world to collect poo for the good of humankindEric Alm is racing to find out which gut microbes thrive in diverse human cultures before it is too late. His microbiome library – derived from faecal samples – could help solve future health crises Features