EarthHalf of life on Earth has vanished since we arrived on the scene The biomass of living organisms on the planet has halved since human civilisation began, and humans now outweigh all wild mammals tenfold News
EarthThe unseen puppet masters that control life in the oceans Trace elements have the power to give life and snuff it out. For the first time, we are getting to grips with where they come from and how they act Features