For many, a barrel of oil is almost synonymous with its most prominent product, gasoline. While almost 40% of a barrel of oil is used to produce gasoline, the rest is used to produce a host of products including jet fuel and plastics and many industrial chemicals.f that, more than 70% is consumed by the U.S. transportation sector, according to the Energy Information Agencies Annual Energy Review. Reducing dependence on oil requires developing technologies to replace gasoline, diesel, jet fuel and heavy distillates, and produce a range of bio-based chemicals and products.
The British Dental Association, formed in 1880 with Sir John Tomes as president, played a major role in prosecuting dentists practising illegally. Dentists in the United Kingdom are now regulated by the General Dental Council.
The Codex Gigas, 13th century, Bohemia. A codex (from the Latin caudex for trunk of a tree or block of wood, book; plural codices) is a book constructed of a number of sheets of paper, vellum, papyrus, or similar materials, with hand-written contents. The book is usually bound by stacking the pages and fixing one edge, and using a cover thicker than the sheets.