The Conversation

A dark night is good for your health

Today most people do not get enough sleep. The Centers for Disease Control and Prevention (CDC) has called insufficient sleep an epidemic. While we are finally paying attention to the importance of sleep, the n ...

Apr 06, 2015
popularity 23 comments 0

Why human eyes are wired backwards

The human eye is optimised to have good colour vision at day and high sensitivity at night. But until recently it seemed as if the cells in the retina were wired the wrong way round, with light travelling ...

Mar 16, 2015
popularity 129 comments 1

Why some pain helps us feel pleasure

The idea that we can achieve happiness by maximising pleasure and minimising pain is both intuitive and popular. The truth is, however, very different. Pleasure alone cannot not make us happy.

Feb 23, 2015
popularity 40 comments 0

Teens are not competent to judge peers' behavior

When you think about teenage peer pressure, plenty of images likely come to mind. Perhaps a classic after school TV special or dramatic D.A.R.E. program skit with a dimly-lit basement and one friend saying "Come on, ...

Feb 06, 2015
popularity 37 comments 0