Bumblebees and chimpanzees can learn skills from their peers so complicated that they could never have mastered them on their own, an ability previously thought to be unique to humans, two studies said on Wednesday

Every year, more than one million deaths globally occur because of exposure to short-term (hours to days) fine particulate matter (PM2.5) in air pollution, according to a new report, with Eastern Asia reporting more than 50% of deaths attributable to short-term PM2.5 globally.