unshaded incandescent 25-watt light bulb or an overhead fluorescent light turned on in the room. Volunteers exposed to the light bulb responded quicker to words linked to insight than other words ...

and the total amount can exceed safe human exposure levels in a poorly ventilated room, according to a new study. Once broken, a compact fluorescent light bulb continuously releases mercury vapor ...

The study sampled 657 individuals to find out if their opinions on greener, more efficient light bulbs correlated significantly ... has always been the elephant in the room. Though we spend ...

If you bought 10 CFLs to replace 60-watt incandescent bulbs, you would pay about $35 more in up-front costs, but if you used your bulbs about 1.9 hours per day (as one California study found was ...