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  • Safi Bello

Researchers Race to Devise a Roadside Test for Driving While High

Scientific American ----------- The police sergeant’s voice was quiet but firm. She told the college student exactly what he was going to do, and then he did it. “You’re going to take a series of nine heel-to-toe steps,” she said. “You’re going to look at your feet, you’re going to count your steps out loud, you’re going to keep your hands by your side, and you’re not going to stop once you start. … Then you’re going to come back.” He put one foot carefully in front of the other, like a tightrope walker who’d made the mistake of looking down. To learn more click on the picture below to read the article.

Researchers Race to Devise a Roadside Test for Driving While High - Read More from Scientific American

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