TechnologyWe need transparency from the companies disseminating misinformation As misinformation about the upcoming US elections rockets across social media, creating chaos, companies need to be honest about where this content is coming from, says Annalee Newitz Comment
EnvironmentCool solutions could head off the climate-damaging rush for air con Demand for air conditioning will only grow as temperatures rise, sending energy consumption soaring. But there are some interesting ways to deal with the issue, finds Graham LawtonComment