1 Gas in the digestive tract is usually caused by swallowing air and by the breakdown of certain foods in the large intestine by bacteria. 2  Most foods that contain carbohydrates can cause gas. 3  In contrast, fats and proteins cause little gas. 4  Foods that produce gas in one person may not cause gas for someone else.
Going into the third level of the wizard competition, I was conflicted about who would be named family wizard â Alex (Selena) or Justin (David Henrie) â but it quickly worked itself out. Justin ran through the tunnel first, thus winning the wizard title.
It's Mr. Wizard for a different decade. Bill Nye is the Science Guy, a host who's hooked on experimenting and explaining. Picking one topic per show (like the human heart or electricity), Nye gets creative with teaching kids and adults alike the nuances of science. Written by Jwelch5742.