Impress your kids with fun facts that are both age-appropriate and surprising. Did you know that ketchup was once sold as medicine in the 1800s, or that Earth has more trees than stars in our galaxy?

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Stay sharp and learn something new every day or stock up on knowledge for the next 105 days with these ...

Kids love animals—so it makes sense that they love animal books, too, like these nonfiction picture books and middle grade books. These nonfiction book picks for PreK–7 are packed with rich vocabulary ...