Why We Cling to Cars

Traffic throughout the Houston area on Sept. 22, 2005 was very heavy as residents left town before Hurricane Rita arrived.
(Image credit: AP Photo/Paul Sancya)

Here's an interesting way to get to work: Leave the house and forget the car. Instead, walk right out into the middle of the street, without looking left or right for oncoming traffic. When the street dead ends, step into a cigar-shaped, human-powered vehicle and balance, standing up, as it rocks across the main drag and deposits you on the other side of town. Jump out and walk the rest of the way to the office.

Or you could go to work the long way, entirely on foot. Join the stream of pedestrians going your way — keep to the right, please — down narrow alleys and up over a million bridges that bypass the roads, right to the front door of your office building.

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Meredith Small is a professor of anthropology at Cornell University, and the author of "Our Babies, Ourselves". She is a contributor to Live Science.