By John DeFore
Green Right Now
One of the legitimate gripes about compact fluorescent light bulbs is that they contain a small amount of the toxic substance mercury. But what if regular incandescent bulbs, which are usually handled with no special care, contained hazardous materials as well?
Turns out they may, according to a new story in Chemical & Engineering News that raises concerns about tungsten — which isn’t only used for light bulb filament but may be hanging around your neck as you read this, as an ingredient in jewelry.
