TechnologyThe spongy fuel that's made from treesUnder the electron microscope, charcoal looks almost like Swiss cheese – and how well it keeps that structure tells us about its potential to keep us warmRegulars
HealthAnxiety drug may prevent common virus that causes birth defects Cytomegalovirus is a common cause of seizures, deafness and Zika-like symptoms in infants. An anxiety drug available in France protects mice from the virus 51¶¯Âþ