Friends of Jesús Contreras placed a radio at his grave, playing salsa and reggaeton music. Photographs: Meridith Kohut for The New York Times

His family thought he just had a bad cold, nothing serious. But Victor Martínez kept getting worse. By mid-January, he lay in a hospital ward, wasti(...)

 Wax worm caterpillars seen eating a piece of plastic. They normally thrive on beeswax. Photograph: CSIC Communications Department/PA Wire

Moth larvae could potentially revolutionise how the world disposes of plastic waste after an accidental discovery by a scientist and amateur beekeeper(...)