In a humid corner of a biology lab, three engineered bacterial strains—each nicknamed John—were given a simple instruction: communicate. The resulting microscopic chorus blurred the line between code and conversation.

You could tickle them, poke them to make them disappear, or use a syringe to trigger a "laughter frenzy". The "Cure": Giving them aspirin would clear the entire "infestation". Talking Tom & Friends Wiki Be cautious

: Giving them a pill to clear the "infestation" and remove them.

to make them clone themselves. You can have up to six bacteria on screen at once (or eight in some older versions). Make them laugh : Rub the screen to make them laugh.