The study will be music to the ears of social media firms keen to make more money from customers via personalised marketing.

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Yes, it's true, says a study in the Proceedings of the National Academy of Sciences (via the New York Times): sildenafil, otherwise known as Viagra, is a bona fide cure for jet lag.

ECONOMIST: Business travel

Students who enroll will receive the study material and related support from IGNOU and will also receive daily learning content via Life Tools.

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For example, the task force recommends the creation of a new group to study the use of acoustic switches, devices that can shut off the well via remote control in a disaster.

WSJ: Oil Industry Recommends Offshore Safety Measures After Gulf Spill

His study, published in October, recommended devolving the allocation of central funds from government to regions via Local Enterprise Partnerships (LEP).

BBC: Plan to boost Birmingham economy given go-ahead

But Zak also ran a study where he measured the oxytocin release in a young man who was communicating with his girlfriend via Facebook.

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