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Weighting for Friends: Obesity spreads in social networks
Obesity spreads as a social contagion through networks of friends and relatives, apparently because associating with overweight people encourages a laxer attitude toward weight gain.
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People don’t need another reason to shun fat people. This group represents the last scapegoat for righteous discrimination in our image-obsessed society. There are myriad reasons a person becomes obese. Friendship is not one of them. Shawn DehneLittleton, Colo. As such studies progress, it will be interesting to learn if the opposite—weight loss—is also influenced […]
- Math
A Twist on the Möbius Band
The twisted, single-sided loop known as a Möbius band, when made from a stiff material such as paper, takes on a complicated shape that researchers have finally calculated.
