Many crops have changed over the years through cultivation, but that doesn’t mean they have become less nutritious nor is that possible to judge from a picture, writes James Wong Health | Comment 21 April 2021 By James Wong Magite Historic/Alamy NOW, I realise my lifelong fascination with how the crops that sustain humanity today […]

As the world passes 3 million deaths from covid-19, New Scientist explores the pandemic’s trajectory and discovers many reasons for hope that the worst will soon be over Health 21 April 2021 By Michael Le Page Relatives attend a covid-19 burial at a cemetery in Manaus, Brazil Michael Dantas/AFP via Getty Images COVID-19 has now […]

By Matthew Sparkes Golden tortoise beetle (Charidotella sexpunctata) US GEOLOGICAL SURVEY/SCIENCE PHOTO LIBRARY An algorithm inspired by the way that a species of beetle changes colour to communicate with its peers and predators solves engineering problems faster than a range of previous approaches. The golden tortoise beetle (Charidotella sexpunctata) is unusual in that males can […]