Salt has long been used on roads and sidewalks to melt snow and ice, but it can destroy vehicles and the environment over time. Researchers have developed a method for melting snow and ice using paraffin, which is less expensive and environmentally-friendly.
Read MoreA research team may have solved the cigarette butt litter problem. By mixing discarded cigarette butts with asphalt concrete, they produced a material that can handle heavy traffic and reduce the urban heat island effect.
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