The secret life of squirrels in New York City

A recent study has found eastern grey squirrels thrive in New York City's urban environment by adapting their behaviour according to cues from human pedestrians, and mostly by ignoring passers-by.

Cell phones as life savers: Cars pinpoint pedestrians

Researchers at the Technische Universitaet Muenchen have developed a process that cooperates with driver assistance systems in cars to pinpoint pedestrians and cyclists—even while they are hidden from view. To this end, ...

Seeing red: Why cyclists ride through traffic lights

You've probably seen it happen. You're driving your car and you come to a stop at the traffic lights. You're mindful of traffic infringement fines and public safety, then someone on a bike rides past you, unconcerned, straight ...

Toxic cloud in Buenos Aires under control

A toxic cloud that formed Thursday triggered a public scare that forced the evacuation of offices in Buenos Aires and the suspension of metro and train services in a tourist area.

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