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More Or Less checks out the claim that ‘62 people now own as much wealth as half of the world’s population’. Taken alongside Oxfam’s annual report that suggests that 1% of the world’s population now own more than the 99% put together, what does this mean in terms of global inequality? Tim Harford asks economics writer Felix Salmon and development expert Charles Kenny to paint the full picture.

³ÉÈË¿ìÊÖ Trending explains how an image of a three-year-old girl being abducted has flooded social media in China. The girl has now been found, but the search sheds light on the country's huge digital campaigns trying to return tens of thousands of missing children to their parents. And, a Bollywood actress wowed the web over the grilling she received during a TV interview, and Bill, the new stick figure that went viral this week, offers advice on internet etiquette.

In the Why Factor, Mike Williams investigates the age of consent, the age at which a person is considered by law to be capable of agreeing to sex. He finds the age varies greatly around the world, and is bound up with child protection, notions of honour and marriage and concerns about paedophilia. How far is the number simply a social construct or is it based on any scientific evidence?

(Photo: One of the world's richest people, Bill Gates, participates in a panel discussion during the Financial Inclusion Forum. Credit: Alex Wong/Getty Images)