Only 3 per cent of hedge funds are run by women. But in the last nine years, female-managed hedge funds have outperformed male-managed ones by 55 per cent. Bloomberg.com

Humphry Davy’s lectures at the Royal Institution in the early 1800s were so popular that Albemarle Street was made into London’s first one-way road to ease carriage congestion. “The Philosophical Breakfast Club” by Laura J Snyder

More than half of California children are now of Hispanic origin. US Census Bureau

For the first time, more girls (4,330) than boys (3,796) became scouts in the past year. Daily Mail, 15th April 2011

Butterscotch, trampoline, escalator and zipper were all once trademarked terms. CNBC.com, 17th February 2011

Fewer than 3 per cent of cash machines in Britain dispense £5 notes. BBC News website, 16th March 2011

In the US, Diet Coke has replaced Pepsi as the second bestselling carbonated soft drink. (Coke is number one.) Advertising Age, 17th March 2011

40 per cent of English football managers have dangerously high blood pressure. League Managers Association

Armenia is making chess a compulsory subject in primary schools. AFP, 17th April 2011

John Adams and Thomas Jefferson, lead authors of the Declaration of Independence, both died on 4th July 1826, 50 years to the day after they signed it. The Guardian, 4th April 2011