June 1: While UN investigators are reporting the Japanese government neglected to act on evidence that the Fukushima nuclear reactor site was vulnerable, those who continue to work to contain the ongoing crisis are being hailed as heroes. NBC's Robert Bazell reports.June 2, 2011
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Watch: Giant Pacific octopus rescue caught on camera
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At least 2 killed, several missing in Pennsylvania factory explosion
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190 million African children at risk from water-related crises
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Uganda passes bill banning people from identifying as LGBTQ+