We all have our rules.
For some, it's five seconds. For others, ten. And for students, it tends to be measured in days.
Every time we drop food on the floor, we know we're taking a risk by picking it up again and putting it in our mouths. But, well, it's food. And it wasn't there for that long.
A microbiologist took it upon himself to test just how dirty food gets when dropped on the floor.
Anthony Hilton of Aston University in Birmingham, UK, thought it might be instructive to try various surfaces to see if what goes down can come up again intact.
He and his students dropped toast, pasta, and sticky candies on various floors -- carpet, laminate and tiled surfaces -- for between 3 and 30 seconds. Then they ate them. No, wait. Then they examined them for bacteria.… Read more