2. Tilt the cup and slowly pour the soda down the inside of the cup to make as few bubbles as possible. 3. Place a straw in the soda and look at the straw from the side. 4. Take the straw out of the ...

If you've ever ordered a Coke from McDonald's — and who hasn't — you might have noticed that the diameter of the straws is wider than what is used at other restaurants. That's no accident.