LifeAxolotls seem to pause their biological clocks and stop ageing In most vertebrates, a pattern of chemical marks on the genome is a reliable indicator of age, but in axolotls this clock seems to stop after the first four years of life News
LifeEndangered wombat's rare encounter with echidna caught on camera A camera trap at an Australian nature refuge has captured a boisterous interaction between a northern hairy-nosed wombat and an echidna News