Philippe Matthews Show Guru Advice, Author Reviews, Tech Reviews, Entertainment News

The sun at the horizon illuminates a soldier, highlighting the promise of solar energy for the military . Photo by Expert Infantry See more of the best photos of 2011

New calorie model bases formula on sex, age, height and weight; Expert says it's more realistic, probably more accurate

* Key differences between Fukushima and Chernobyl * Expert says some radioactive releases comparable [More]