You flush, lid up
Not only can that can send a spray of toilet ick flying into the air, but the particles can be propelled as far as six feet away from the swirling bowl, according to the seminal work on the subject that is still regarded as the gold standard by germ expert Charles Gerba, a microbiologist at the University of Arizona. Feel free to take a quick survey of your bathroom stuff within those limits; then implement your new lid-down rule (and store that toothbrush inside the medicine cabinet, just in case).
Your toilet paper hangs “under”
It may be time to consider this century-old debate put to rest: Journalist Owen Williams tweeted a picture of the first toilet paper patent, and the 1891 drawing shows the toilet paper hanging over—not under—the roll. Read on for more bathroom mistakes you never knew you were making.