Smoking one cigarette equals 20 minute off your life, study finds

Humans think slower than expected, study finds

'Mathematically perfect' star system discovered 105 light-years from Earth may still be in its infancy. Could that change its prospects for life?

Missed deadlines lead people to judge work more harshly, study says: « Research into psychology of people in US and UK suggests it is better to submit work on time rather than perfecting it through procrastination. »