HealthColour-changing spray tells you when food is past its best Food safety checks can be expensive and cumbersome. A new spray test for harmful bugs could improve hygiene and reduce waste 51¶¯Âþ
EnvironmentCan you get meat without dead animals? Why farmers are wrong to say no Cattle ranchers in the US say beef must come from a slaughtered cow and not cells grown in a lab. The battle over the future of flesh has begun, says Sasha Chapman Comment