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"There has been a reckless abandoment of the issue of child survival in the world," says Richard Horton, the editor of the British medical journal The Lancet, which reports that ten million children are dying unnecessarily each year, mainly as a result of poverty and ignorance. Why 3,000 people in Bangladesh die each year after drinking water contaminated with arsenic. Giant lightning jets shooting up from storm clouds captured on film. Real engines using superconductor technology.