EnvironmentSolar boom has replaced farmland that could feed millions of people More than 1300 square kilometres of cropland worldwide was covered by solar panels in 2018, an area that could be producing 4 quadrillion calories per year 51¶¯Âþ
HealthAutoimmune conditions linked to reactivated X chromosome genes The inactivation of one copy of the X chromosome in female mammals may start to fail as they get older, which may be why women have a higher risk of autoimmune conditions such as lupus 51¶¯Âþ