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  1. 19866

    Conservation by America is not going to decrease global warming. We need to imitate known global-cooling events, such as the Krakatoa volcano explosion, which spread sunlight-reflecting dust into the stratosphere in 1883. A hydrogen bomb exploded inside a ship full of white clay could be a first step. Daniel ShanefieldHonolulu, Hawaii Recent research suggests that […]

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  2. Health & Medicine

    Waking Up: Brain stimulator spurs dramatic improvement years after injury

    A man who spent 6 years in a minimally conscious state regained the ability to talk, eat, and move after doctors implanted electrodes deep in his brain.

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  3. Earth

    Slick Death: Oil-spill treatment kills coral

    Chemicals used to disperse marine oil spills are more harmful to coral than the oil itself.