We describe bugs and germs to get it through their heads that they just. need. to. wash. their. hands. But then, they still don’t remember to wash ‘em. Enter this brilliant teacher Courtney Lee ...

A recent experiment shared on TikTok has demonstrated ... There is no contact with the hand dryers. Where are those germs coming from? Also, I would have thought the heat would kill off bugs.

But what if there was an even better way of killing bacteria and germs on our hands ... generators of the sort he experiments with could double as visually striking hand sanitizers.

US scientists say they have poured cold water on the theory that washing hands with hot water kills more germs than unheated ... Volunteers were also asked to experiment with varying amounts ...