At least 60 children have died at a public hospital in northern India, officials say, amid allegations that the oxygen supply was cut over unpaid bills. Officials in Uttar Pradesh state admitted the supply had been disrupted but said this did not cause the deaths. There was panic at the hospital with relatives trying to support staff using manual breathing bags, local media say. Most victims were at the neonatal […]

Low level of atmospheric oxygen in Earth’s middle ages held back evolution for two billion years, a new research has claimed, raising fresh questions about the origins of life on our planet. Professor Tim Lenton and Stuart Daines of the University of Exeter in the UK, created a computer model to explain how oxygen stabilised at low levels and failed to rise, despite oxygen already being produced by early photosynthesis. […]