A Native American tribe in South Dakota collects bottle caps left by campers, using them as currency. Several banks in the area now recognize the caps as legal tender.
225
One million Americans, about 3,000 each day, take up smoking each year. Most of them are children.
-86
Americans throw out 4.5 pounds of trash a day - twice that of 40 years ago.
76
As many as one third Americans flush the toilet while they are still on it.
157
The native Americans planted three sisters (corn, beans, and squash) together so that they would benefit each other. The corn provides a structure for the beans to climb. The beans provide the nitrogen to the soil, and the squash spreads along the ground preventing weeds.
30
In 2005, 25 percent of Americans over the age of 50 played video games, an increase from nine percent in 1999.
82