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PaDEP asks treatment plants to stop accepting shale-gas wastewater
The Pennsylvania Department of Environmental Protection asked all shale-gas drilling operators to stop delivering wastewater to 15 different wastewater treatment plants this week.
Big workloads prompt big questions about students' sleeping habits
With the semester coming to a close and final exams just around the corner, many students may be neglecting sleep even more than usual.
Electronic ink uses innovative technology in high-demand e-readers
These screens are complex to manufacture, as they require very small and durable parts, but the basic principle behind them is fairly simple.
SciTech Briefs
A biologist at the University of Auckland in New Zealand has concluded that human language originated in southern Africa.