You have that slide rule in the back of the closet. Maybe it was from your college days. Maybe it was your Dad’s. Honestly. Do you know how to use it? Really? All the scales? That’s what we thought.

A mama bear was filmed teaching her cub how to use a playground slide — and the footage is unbearably cute. Betsie Stockslager captured the now-viral moment earlier this week at Isaac Dickson ...