To find out why people react in this way, a team of Princeton researchers attached players to functional MRI machines.

FORBES: Don't Make Romney's $10,000 Leadership Mistake

When drought caused fires in the Amazon jungle, and then devastated crops and cattle in the poor north-east, Mr Cardoso and his team seemed slow to react.

ECONOMIST: Brazil

Jones, Mafi and Denis Hurley saw plenty of possession in the first quarter but Munster grew frustrated by the Dragons' well-organised, aggressive defence and O'Gara had to react sharply to prevent Ashley Smith from releasing a team-mate for the line.

BBC: Munster 27-3 Dragons