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19-Feb-09
"Nasa and the European Space Agency have decided to forge ahead with an ambitious plan to send a probe to the Jupiter system and its icy moon Europa."
19-Feb-09
"How can you get CCTV cameras to not only record, but to recognise patterns of behaviour - and potentially prevent serious crimes?"
19-Feb-09
"Trees in the tropics are getting bigger, which means they are soaking up an extra 5bn tonnes of CO2 a year"
19-Feb-09
"The tar sands of Canada constitute a deadly threat to our planet. The US and Canada must agree not to develop them"
19-Feb-09
"Pools of melted ice and snow that form on the surface of the Arctic sea ice explain why it is melting faster than predicted, scientists say"
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