"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 ...

When I first heard that there are more stars than there are grains of sand on all beaches in the world, I went on a mission to count all the grains out there to see if it’s true. Needless to say, "the ...

As someone who grew up just south of the Canadian border, I've long considered myself "South Canadian." I spent a lot of time in Canada as a kid (and traveling there as an adult), and I love what a ...