On the Internet, a search engine is a coordinated set of programs that includes: 1  A spider (also called a crawler or a bot) that goes to every page or representative pages on every Web site that wants to be searchable and reads it, using hypertext links on each page to discover and read a site's other pages.
Gas and Water. Drinking water may have some effect on your bodyâs gas production. Soft drinks that contain carbonation contribute to increased body gas. Substituting water for soda can help reduce the amount of air you swallow, in turn reducing your body gas. In addition, drinking water during or after a meal can aid your digestion by helping break down more food in your stomach, which may help reduce the gas produced in your large intestine.
State regulators blamed faulty gas wells drilled for leaking methane into the groundwater in nearby Dimock, Pa. It was the first serious case of methane migration said to be related to the Pennsylvania Marcellus Shale gas field drilling boom. New research in this area of Pennsylvania demonstrates that it's hard to nail down how often natural gas drilling is contaminating drinking water.