It doesn’t take scientific observation to know that dogs aren’t the most graceful of drinkers. Blame it on their cheeks: dogs have what are called “incomplete cheeks,” which allow them to open their mouths wide but, conversely, means they can’t create suction like humans do when drinking through a straw.
So how do they manage to get a drink? A new study uses high-speed cameras to watch the mechanics of a dog lapping water to reveal the physics tricks at play.
The work follow