LifeWhy naked mole rats feel no pain from acid The pink, hairless subterranean mammal is insensible to pain caused by acid. Now we know why, which could lead to treatments for arthritis 51¶¯Âþ
LifeWhy some wasps are good with faces – and others aren't You don't want to mess with Ms Big, so it's useful if you recognise her when you see her. So useful that even wasps can do it 51¶¯Âþ