Europe made an eco-friendly change to plastic bottles. It is driving tourists crazy. Abby Gendell encountered one after a hot July day touring Vatican City. “I open a water bottle,” the 22 ...

Snap Caps are a plastic, reusable, snap-on top that can turn average-sized soda cans into bottles. They claim to spill-proof and keep your soda fresh longer. Once you’ve opened a can ...

But it's also why caps on half-gallon paper cartons of milk and juice and plastic soda and water bottles are harder to turn and why the body of plastic bottles sometimes twist along with the cap ...