Helen Pfeil thought some kids were much too old for treats, so she played a nasty trick on them instead.
It’s all about how it enters the body.
You don't need it in your toothpaste or croissant.
Colorado seventh grader Gitanjali Rao won the title of America's Top Young Scientist.
We all know how important it is to give our bodies a break from “toxic” food and alcohol, but what about giving ourselves a break from toxic attitudes?