WHAT IS A HEAT ENGINE? WHAT IS AN INTERNAL COMBUSTION ENGINE? HOW DOES A STEAM ENGINE WORK? HOW DOES A JET ENGINE WORK? GASOLINE ENGINEBIOGRAPHY: FRANK WHITTLE English, 1907-1996 TURBINESFUEL…
WorldInsurgents Continue Series of Attacks (May 1): At least 35 Iraqis die in bombings in Mosul and Baghdad. Insurgent attacks have intensified since formation of new government in late April. (May…
Here are the key news events of the month organized into three categories: World News, U.S. News, and Business, Society, and Science News. World | Nation | Business/…
Bubonic PlagueEpidemics of the PastSmallpox: 12,000 Years of TerrorBubonic PlagueInfluenza: A Twentieth-Century Epidemic Ring around the rosy, A pocket full of posies, Ashes … ashes, We all…
XXXX XXXX government's actions worry some by Mark Zurlo Donec convallis urna sit amet enim consequat nonummy Related Links Item OneItem TwoItem ThreeOther Content Item OneItem TwoItem…
(Encyclopedia) leprosy or Hansen's diseaseHansen's diseasehănˈsənz [key], chronic, mildly infectious malady capable of producing, when untreated, various deformities and disfigurements. It is caused…
(Encyclopedia)
CE5
Nitrogen cycle
nitrogen cycle, the continuous flow of nitrogen through the biosphere by the processes of nitrogen fixation, ammonification (decay), nitrification, and…
