The University of Colorado graduate student who allegedly killed 12 and injured dozens more in a crowded movie theater last night seemed “normal” just a few months earlier, a fellow researcher recalls.
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Guppies with experimentally shrunken brains produced more offspring than guppies bred for larger noggins, confirming a long suspected tradeoff of bigger brains.
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A neuroscientist tries to communicate with people in a vegetative state using brain imaging techniques.
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