Study finds with vacant lots greened, residents feel safer

Greening vacant lots may make neighborhood residents feel safer and may be associated with reductions in certain gun crimes, according to a new study from the Perelman School of Medicine at the University of Pennsylvania. ...

Physics makes a big impact in brain-injury research

From battlefields to playing fields, worries over traumatic brain injury (TBI) have intensified recently as it has become clear that heavy knocks to the head – whether from bomb detonations or crunching sports tackles – ...

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