from the forget-the-brush dept.
pryoplasm writes "To help deal with some of the hygiene issues on the battlefield, the US Army worked on a gum to take the place of brushing your teeth. This might be eventually released and marketed to the public. While there are many gums out there that aren't so detrimental to your teeth, this one promises actually to help them out."
Today's scientific question is: What in the world is electricity?
And where does it go after it leaves the toaster?
-- Dave Barry, "What is Electricity?"