British Transport Secretary Chris Grayling, seen here after a Cabinet meeting at 10 Downing Street, is seen opening his car door on a passing cyclist in a video that was captured by a bike rider in London. Justin Tallis/AFP/Getty Images hide caption

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Justin Tallis/AFP/Getty Images

Peggy O'Neill stands outside Edmunds Elementary and Middle Schools in Burlington, Vt. She was one of the strongest advocates for the bike lane in her city but met a lot of resistance. Laurel Wamsley/NPR hide caption

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Laurel Wamsley/NPR

With Citizens' Help, Cities Can Build A Better Bike Lane — And More

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Kristin Armstrong won Olympic gold in the cycling time trial the day before she turned 43. Tim de Waele/Corbis via Getty Images hide caption

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Tim de Waele/Corbis via Getty Images

Olympic Athletes Prove That Older Doesn't Have To Mean Slower

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Japan's Kohei Uchimura performs on the horizontal bar during men's individual all-around final on Wednesday. Uchimura, widely considered to be the best male gymnast ever, repeated as the gold medalist in the event. Dmitri Lovetsky/AP hide caption

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Dmitri Lovetsky/AP

Russian tennis star Maria Sharapova isn't competing at the 2016 Olympics. At a March 7 press conference in Los Angeles, she told reporters she'd tested positive for meldonium, a prescription heart drug that improves blood flow. It was banned in January by the World Anti-Doping Agency. Robyn Beck/AFP/Getty Images hide caption

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Robyn Beck/AFP/Getty Images

Olympic Athletes Still Use Some Rx Drugs As A Path To 'Legal Doping'

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Jaime Rangel helps Gustavo Ruiz, 12, align a tire on his bike, at a recent community event in southeast Fresno, Calif. As manager for Bici Projects, Rangel promotes cycling in the Latino community as a great way to get in shape. Farida Jhabvala Romero/KQED hide caption

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Farida Jhabvala Romero/KQED

The Eastside Bicycle Club on a 35 mile Saturday evening ride with stops for tacos. Carlos Morales hide caption

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Carlos Morales

On A 'Tour De Tacos' With Los Angeles' Eastside Bike Club

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