- What do you get when you cross water, salt and an electrolyzer? Miracle liquid, used for degreasing; disinfecting; treating burns, acne and athlete's foot; and cleaning taxis left smelling of vomit due to "Japan's binge-drinking business culture."
- A professor sings us the song of the Geo man, using music to teach his geology students at Penn State.
- Two jaguars -- the only cats in North America that roar, and the largest cats in the western hemisphere -- have been spotted in Arizona and Mexico, where the species has become extremely rare.
- Where are American innovators? Not exactly where they used to be. An interactive map tracks where the most patents were filed in the U.S. between 1975 and 2002 -- and which areas have below-average levels of innovation.