Incandescent light bulbs were enlightening more than 130 years when Thomas Edison invented them. More recently, US Congress passed legislation to increase efficiency standards. Your 5th, 6th, or 7th graders will be enlightened as they...

The members of your economics class may be busy earning graduation credits, but the credit they should be concerned about is their financial credit. The third lesson in a unit about Hurricane Katrina and other events that can result in...