Testing the 'Five-Second Rule' on Dropped Food

Chicago high school student Jillian Clarke tests the "five-second rule" — the theory that food dropped on the floor is still safe to eat if it's snatched up promptly. She finds that bacteria adheres to food almost immediately. Hear Clarke and NPR's Scott Simon.

Comments

 

Please keep your community civil. All comments must follow the NPR.org Community rules and terms of use, and will be moderated prior to posting. NPR reserves the right to use the comments we receive, in whole or in part, and to use the commenter's name and location, in any medium. See also the Terms of Use, Privacy Policy and Community FAQ.