Researchers are uncovering some pretty strange culprits behind the obesity epidemic—everything from air-conditioning to infectious love handles
By Jill Waldbieser
Posted 02.20.2009 at 1:51 pm 14 Comments
Obesity is our century's version of the Kennedy assassination: Everybody's got a theory. But even with blame perpetually shifting -- one day it's fast-food corporations, the next it's genetics -- and a $40-billion-a-year diet industry, our waistlines just won't stop expanding.
Five amazing, clean technologies that will set us free, in this month's energy-focused issue. Also: how to build a better bomb detector, the robotic toys that are raising your children, a human catapult, the world's smallest arcade, and much more.