Weak will comes from tired mental muscles
Self-controlled people have better lives – but for the rest, lack of willpower is more like physical fatigue than moral failure, says Roy F. Baumeister
Orchid children: How bad-news genes came good
The set of genes that help create our most grievous frailties may also underlie our greatest strengths – and sometimes the choice is settled in childhood
Why you think your team is the best
You can't help being biased towards your favourite team since your brain perceives the actions of your own team as better than the those of a rival team
Can't find your keys? Your brain's out of sync
Brain systems involved in searching for objects tend to work at different speeds, with the system responsible for perception unable to keep pace
US voters are less partisan than they think
Democrat and Republican voters' views on touchstone issues are not as strongly polarised as they assume – but mistrustful activists may often swing elections
Pupils constrict at the thought of brightness
Optical illusions designed to seem brighter than they are make your pupils constrict, suggesting we have evolved systems for anticipating dazzling light
