Your $1 bill is rich in bacteria: Experts find 3,000 microbes on paper money By sequencing the DNA found on $1 bills, researchers found evidence that should urge you to wash your hands after you handle some cash. Don't lick your fingers while you count out the bills! by Rhodi Lee
Science Your money is dirtier than it looks: 3,000 different bacteria thrive on the bills by Jim Algar
Healthy Living/Wellness New meaning to 'Filthy Rich' as scientists find surprising number of microbes living on cash by Michael McEnaney