Why toothpaste and cement harden over time

Take a look inside the cap of your favorite toothpaste, and you might see hard, white residue, a firm version of the smooth paste you squeeze onto your brush.

Talent is key to school turnarounds

New research has demonstrated that the key to implementing successful reform in low-performing schools is hiring and retaining effective principals and teachers. These findings, reported in Educational Evaluation and Policy ...

Studying mercury contamination in Virginia's South River

Mercury contamination has been a problem in Virginia's South River since 1979, when mercury was discovered in the river. Mercury was used in industrial processes at the former DuPont Plant in Waynesboro, Virginia from 1929 ...

Tiny technology cleans dirty water

An activated carbon filter—found in many household filtration systems—can purify your drinking water, but it's no match for wastewater that contains military-grade explosives. To clean wastewater from munitions processing ...

Artificial evolution of an industry

A research team from the University of Delaware and the Indian Institute of Management took a deeper look into the newly emerging domain of "forward-looking" business strategies and found that firms have far more ability ...

Study maps areas of high concentrations in the Delaware Bay

Every year, about 8 million metric tons of plastic are put into the world's oceans. Of particular concern are microplastics, materials found in the marine environment that occur in sizes below five millimeters and are the ...

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