Food scientists Paul Dawson and Brian Sheldon answer the most frequently debated questions about food and germs in their new book, “Did You Just Eat That?”

Did You Just Eat That? Two Scientists Explore Double-Dipping, the Five-Second Rule, and other Food Myths in the Lab.

Am I spraying germs everywhere when I blow on my birthday cake? Is the five-second rule legitimate?

Paul Dawson and Brian Sheldon, food scientists and authors of “Did You Just Eat That?” joined the Bill and Wendy show to talk about how unhygienic double-dipping, the five-second rule, restaurant menus, and hand-dryers really are.

“Did You Just Eat That?: Two Scientists Explore Double-Dipping, the Five-Second Rule, and other Food Myths in the Lab.” is available in stores now. You can purchase your copy of the book here.

You can find Bill and Wendy on Twitter,  Facebook, and Instagram. The Bill and Wendy Show airs Monday through Friday from 10 a.m. to noon, then streaming from noon to 1 p.m.

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