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Hiroshima Fights to Keep Memory of Nuclear Attack AliveNew al-Qaida leader knows US well
Spies, secrets and smart-phonesBrain works more like internet than top down company
Why is the world unmoved by the plight of Pakistan?Long, hot summer of fire, floods fits predictions
Stephen Hawking: Colonize Space or Die. But How?Green prison: Where security meets ecology
Israeli soldier posts photos of Palestinian prisoner on FacebookBrazilian agriculture, The miracle of the cerrado
Why failure of climate summit would herald global catastrophe: 3.5°