What is in Hand Sanitizers and How Do They Work?
Plastic containers of hand sanitizer are appearing everywhere—at restaurant counters, offices, gyms, even in campground pit toilets. And no wonder, keeping hands clean through proper hand hygiene is a proven way to avoid getting sick and to prevent spreading germs. …
Is the “5 seconds rule” scientifically accurate?
Have you ever heard anyone invoke the “5 second rule” after dropping a piece of food on the floor? The idea behind this rule is that food that is picked up in fewer than 5 seconds after hitting the floor …
