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Past Week


  • Aerial view of West Philadelphia Urban Health Collaborative Develops New Health Profile of West Philadelphia Promise Zone
    May 19, 2017

    Examining data from a variety of sources to create a picture of health factors in the Promise Zone, the Urban Health Collaborative seeks to put information in the hands of those able to use it to work toward improving the neighborhoods’ health.
  • road cracks A Recipe For Concrete that Can Withstand Road Salt Deterioration
    May 18, 2017

    Road salt, used in copious helpings each winter to protect them from ice and preserve safe driving conditions, is slowly degrading the concrete they’re made of. Engineers have known for some time that calcium chloride salt, commonly used as deicer, reacts with the calcium hydroxide in concrete to form a chemical byproduct that causes roadways to crumble. A civil engineer from Drexel University is working on a new recipe for concrete, using cast-off products from furnaces, that can hold its own against the forces of chemical erosion.