This timeline from Global Polio Eradication Initiative of pictures, descriptions, and events -- all of which describe the history of polio and its vaccine -- is organized into three large sections: "Endemic Polio 1580BC-1953," "Vaccine...

This article, presented by the American Academy of Family Physicians, discusses recent breakthroughs in the treatment of Parkinson's Disease. Included are tables and graphs.

[Free Registration/Login Required] Students read about new robots that learn to walk like humans. A question sheet is available to help students build skills in drawing conclusions.

Popular Mechanics covers science and technology developments, including the latest trends, breakthroughs, background, analysis and information in science today. Updated every 20 minutes.