CryoSat maps largest-ever flood beneath Antarctica

ESA's CryoSat satellite has found a vast crater in Antarctica's icy surface. Scientists believe the crater was left behind when a lake lying under about 3 km of ice suddenly drained.

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REACTing to a crisis

Keeping all lines of communications open during a crisis is critical – and the Dublin Fire Brigade has shown how this can be done using satellite and hybrid technologies.

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