MIDDLETON — Yesterday, Emily Mancaniello, 7, learned that science isn't always easy. Sometimes there are 100-amp electric sparks a few feet from your head; other times, there can be heavy magnets that ...

Editor’s Note: This article previously appeared in a different format as part of The Atlantic’s Notes section, retired in 2021. Refrigerator magnets are small, cheap, durable, colorful and come in a ...