MindYour brain doesn't slow down until your 60s – later than we thought Although people take longer to make decisions from age 20 onwards, this may not be due to a decline in the speed of information processing, a large study has found News
HumansThe real reasons we laugh and what different types of laughter mean What the three varieties of laughter say about your relationships, how giggling helps babies develop their sense of self, and why so many animals like a chuckle Features