LifeFossil may solve mystery of what one of the weirdest-ever animals ateHallucigenia was such an odd animal that palaeontologists reconstructed it upside-down when they first analysed its fossils - and now we may know what it ate 51¶¯Âþ
EnvironmentSooner-than-expected climate impacts could cost the world trillions A report warns that we may have seriously underestimated the rate of warming, which could damage economic growth 51¶¯Âþ