Although invisible ink and secret messages seem the stuff of spy stories and wizarding schools, anyone can make invisible ink at home with everyday household ingredients. During the Revolutionary War, armies sent secret messages written with invisible lem...

A diary is where you keep all of your deepest, darkest secrets so it needs to be hidden where no one else can find it. If you're keeping your diary at home, hide it in creative spots where no one would think to look. If you plan to take it to school, try...