Bacteria are everywhere. At the top of Mount Everest. At the bottom of the Pacific Ocean. There are millions on your hands and TRILLIONS in your gut! So what happens when a truck rolls over bacteria on the road? Do they get squished? We asked microbiology professor Daniel Bond to help us find the answer.

Got a crushing question? Send it to us at BrainsOn.org/contact, and we’ll keep on truckin’ til we find an answer!