Lie detection is a subtle art requiring very sharp senses and these 5 proven factors show you where to start.

分辨谎言是一门微妙的艺术，要求具有十分敏锐的感觉，上面的5个事实给你指出了从何开始。

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Their keen senses of smell, hearing, and sharp instincts alone are enough to send them scattering for the hillsides during a hurricane or tsunami.

单是敏锐的嗅觉、听觉以及强烈的本能就足以使它们在飓风或海啸来袭时往山坡上四散逃逸。

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The camera records what happens inside and outside the vehicle but saves the recording only when it senses a sudden movement such as hard braking or a sharp turn, Muth said.

CNN: Fatal wrecks underscore risks for young drivers