Have you ever noticed that when you put a straw in soda pop, the straw gets covered with bubbles? The bubbles are made from a gas called carbon dioxide. The soda pop company puts the carbon dioxide in ...

However, braising isn't the only method to rid collard greens of their bitterness and bolster their inherent vegetal flavors.

But when a soda can warms up a bit or when the can is shaken, that extra gas is really ready to come out. So when you open up the can and release the pressure, splooosh! Why does soda bubble so much ...