Society

“The twin boom”: why twinning is on the rise
Since the 1970s, the rate that twins are born has doubled in most developed countries. What caused this and is it going to change soon?
An enormous study links intelligence and personality in surprising ways
A database containing over 1,300 studies from across the world establishes reliable relationships between personality traits and cognitive abilities.
An ancient technique can improve your attention span
According to neuroscientist Amishi Jha, 12 minutes of mindfulness training a day strengthens your attentional systems.
Meet the wounded veteran using bionics to take back his independence
This week in ideas: Reasons to feel good about humanity