As we navigate life, we collect masses of souvenirs in the form of memories. But we can’t keep all of these forever

Yes, your brain does live a little in the past. It can’t help it. The information it receives via your senses is always a little out of date. Whether it’s light entering the retinas in your eyes, or s

Steve Ramirez knows how devastating painful memories can be. In 2015, when he was a doctoral candidate working on manipulating memories in mice, his close friend and lab partner, Xu Liu, died unexpect

Amazing answers to your curious questions

Whether mutually beneficial or a parasitic nuisance, Nature’s symbiotic relationships are as multifarious as they are marvellous, says John Lewis-Stempel

Hoarding is a common animal behaviour. Lots of creatures cache food for times of scarcity. You probably know that squirrels hide nuts and wood mice store seeds, but did you know that fire ants stockpi