Wikipedia founder Jimmy Wales launches the 2011 Free Thinking ideas festival.
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We know we are heading into a difficult winter, but how worried should we be?
People may need to be on the lookout for different Covid symptoms, according to researchers.
Japan's NTT will pay more than £2bn for Dimension Data in what is the country's biggest sub-Saharan African purchase.
UK engineering and manufacturing group Tomkins agrees to be taken over by a North American group in a £2.9bn deal.
Live news, business and sport from around the world.
Four people including a Muslim cleric are arrested in Bangladesh in connection with the death of 14-year-old girl who was publicly lashed.
The decision on whether to abolish the leap second - the occasional, extra second added to the world's time - has been deferred to 2015.
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