HumansHow the rules of long-lost board games take us inside ancient mindsHumans have faced off with grids, dice and pieces for millennia – figuring out the rules of long-lost board games can take us inside ancient mindsFeatures
LifeReindeer riddle: How do you tell caribou apart? Studying indigenous names for the animals may help us clear up a decades-long mix-up over caribou classification and reverse population decline Features