The second and third richest men on the planet who are on a high-profile visit to India this week, are known for their The Giving Pledge campaign which asks the wealthy to commit to giving away at least half of their fortune.

FORBES: Bill Gates, Warren Buffett court India's richest

Another McKinsey study in 2007 revealed that 54% of the senior women executives surveyed were childless compared with 29% of the men (and a third were single, nearly double the proportion of partnerless men).

ECONOMIST: Schumpeter

Hungary's Aniko Kalovics was third in the women's race while Ukraine's Sergiy Lebid took third in the men's event ahead of top Briton Nick McCormick.

BBC: Great Ireland double for Kenyans