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Physics

Charging up fuel injection

A new device uses an electric field to increase cars’ gas mileage.

Humans

Genetic link to dyslexia

Scientists studying a large group of British children find a link between a DNA sequence that contains a gene involved in brain development and a range of reading problems, including dyslexia.

Math

Rating the rankings

The U.S. News & World Report rankings of colleges and universities are largely arbitrary, according to a new mathematical analysis.

Space

No naked black holes

In a simulated merger, astrophysicists tried to push the boundaries of two black holes into shedding their event horizons.