The Amazing Human Brain
Highly sociable tots, along with emotionally stable ones, were more likely than their peers to drink alcohol as teens.
A new study of an isolated Bolivian society shows the "Big Five" might not be as comprehensive as previously thought.
Stay up to date on the latest science news by signing up for our Essentials newsletter.
Thank you for signing up to Live Science. You will receive a verification email shortly.
There was a problem. Please refresh the page and try again.