Other stories
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Getting in touch
Any feedback or ideas for the BBC's Knowledge economy series?
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Sunrise industries
How Israel's entrepreneurs are creating hi-tech start-up businesses
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To serve and protect
After a pepper spray controversy, US campus cops are under scrutiny
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Updated entry
Why online encyclopaedia Wikipedia is targeting India
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Trading up
Malaysia is trying to copy the hi-tech, creative start-up success of Silicon Valley
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'Chilean winter'
After six months there is no sign that Chile's student protests are coming to an end
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Long road to learning
The 'school run' means a barefoot three-mile jouney for pupils in Kenya's highlands
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Hispanic worry
Why are Latino children falling so far behind in the US school system?
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Rich list
Harvard remains the wealthiest university in the world, as its endowment rises to £21bn.
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OU's global reach
The Open University is to receive funding from the United States to improve staying-on rates.
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UK's New York ambition
Warwick University wants to become the first UK university to set up a US campus.