samzenpus from the follow-the-money dept.
An anonymous reader writes "Using data from the web game wheresgeorge.com, which traces the travels of dollar bills, scientists have unveiled statistical laws of human travel and developed a mathematical description that can be used to model the spread of infectious disease."
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?"