Q: Does it affect your iPhone’s battery life when you charge it every night? I have found a lot of conflicting answers on the web. — Madeline

Q: I got a new laptop battery. What is the best way to condition it? I use my laptop as a desktop with a port replicator. It's always plugged in. - Brian

Q: Is it true that I should let the batteries on my laptop and smartphone run down all the way before I recharge them in order to extend the life of the battery? - Skip

As gardeners and weekend warriors, we do so much to create and maintain beautiful spaces. But much of the work includes the use of gasoline-powered equipment such as mowers, blowers and edgers that spew a surprising amount of carbon dioxide into the atmosphere.

Notebook computer owners began calling Dell and surfing to a special company Web site Tuesday to get replacements for lithium-ion batteries that could cause their machines to overheat and even catch fire.