Did a supernova cause human ancestors to walk upright? Is it right to use Nazi illustrations for surgery? And could a fungus produce spider-venom that wipes out mosquitoes?
Our top stories from 2018. All the stories we thought particularly interesting, from wombat poop to very hot chilies!
Genetically engineered ‘home-brew’ heroin, a plant that lures bats and then feasts on their droppings, and differences in pain between men and women.