Students from the university of Surrey discovered hundreds of colonies . They deposited notes and notes in order to accelerate growth pf bacteria . Most were harmless on the money , but one caused boils and spots . Previous studies have revealed growth bacteria on coins and coins .
Students from the University of Surrey discovered thousands of colonies . They submerged coins and notes in agar to accelerate growth pf bacteria . Most were harmless on the money , but one caused boils and spots . Previous studies have revealed MRSA bacteria on notes and coins .