What do you do? Will your immune system survive if you pick it up and eat it? How about your reputation?
In an ingenious series of experiments, they dropped apple slices and Skittles candies on the ground and measured how long it took for dangerous bacteria to render it unsafe to eat. They found that the axiom could safely be renamed the 30-second rule.
Special thanks to Fooducate for calling this to our attention.
-- Karen Kaplan
Photo: In case you were wondering, this is an emausaurus. Credit: Audrey Fukman and Andy Wright