Charles Lieber, one of the country’s top research chemists, sat miserably in a chair at the Harvard Police Department, trying to explain to two FBI agents why he had agreed to partner with a lesser-known Chinese university in a relationship that had soured and landed him in trouble with the US government.

Harvard professor found guilty of hiding ties to Chinese-run recruitment programme

Venezuela will become the first self American Nation to loose all its Glaciers

Scientists: 'We can't save the last Glacier in Venezuala'

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Harvard professor found guilty of hiding ties to Chinese-run recruitment programme

Scientists: 'We can't save the last Glacier in Venezuala'