Classroom Questions Questions for “Stinky success: Scientists identify the chemistry of B.O.” Microbes in our armpits use a specific enzyme to turn our sweat into smelly B.O. Scientists have now figured out how that enzyme works. PORNCHAI SODA/iStock/Getty Images Plus Share this:FacebookTwitterRedditGoogle ClassroomEmailPrint By Science News for Students September 15, 2020 at 6:30 am Classroom questions are available for free with registration. Learn more Register to access: Client key* E-mail* Log in Already Registered? Enter your e-mail address above.