Toxoplasma: the parasite that takes over our brains

A recurring fantasy in science fiction is the implantation of tiny elements in peoples' brains, which would be used to control and direct our actions and emotions. Regardless of the direction that technological development ...

New approaches to the mystery of why ice is slippery

In contact with a solid the surface of ice melts, forming a lubricant layer which is self-perpetuating, as greater weight and slippage are applied to it. This cooperative phenomenon makes the ice more slippery and more likely ...

Wall of sand engulfs Chinese town

A towering wall of sand rushed over factories and apartment blocks in northwestern China's Gansu province as seasonal sandstorms barrelled across the country, causing air pollution and traffic accidents.

Economist publishes research on traffic camera effectiveness

Between 300 and 400 cities in the U.S. employ traffic camera programs, according to Montana State University assistant professor Justin Gallagher. Even so, there has long been debate over whether the programs are effective ...

Slow down: Reduced speed limits save lives in busy cities

Traffic accidents are the leading cause of non-natural deaths worldwide. Lower speed limits may help prevent accidents. But speed-reduction policies can be controversial and effects are not well documented.

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