It was thought that humans were unique amongst mammals when it came to farming – but depending on how strict we are with definitions, it turns out we might not be alone when comes to tending the land to grow food. Scientists have discovered that pocket gophers (Geomys pinetis) also practice a form of agriculture. Measurements on a field containing burrows built by the little critters suggest they don't just harvest the longleaf pine roots that grow into their homes – they cultivate them. At hundreds of meters long, those winding tunnels are continuously modified and reworked. Not to mention...