(Encyclopedia) Cormack, Allan MacLeodCormack, Allan MacLeodməkloudˈ, côrˈmək [key], 1924–98, American physicist, b. Johannesburg, South Africa. After studying at the Univ. of Cape Town (B.S. physics…
(Encyclopedia) RagesRagesrāˈjēz [key] or RhagaeRagesrāˈjē [key], ancient and medieval city of Persia, located on the site of modern-day Ray, N Iran, a suburb of Tehran. Rages is mentioned in the…
(Encyclopedia) Bigfoot or Sasquatch, large apelike creature reportedly sighted hundreds of times in the United States and Canada (most often in the Pacific Northwest) since the mid-19th cent. Similar…
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/…
actorBorn: 9/28/1943Birthplace: San Francisco, California He broke into acting rather late, at age 39, but once in, Walsh quickly established himself in both small and big screen movies. In his…
(Encyclopedia) radiationradiationrāˌdēāˈshən [key], term applied to the emission and transmission of energy through space or through a material medium and also to the radiated energy itself. In its…
PENICILLIN HEALTH EDUCATION PREVENTATIVE MEDICINE DIAGNOSIS TREATMENT FIND OUT MORE
Medicine is the practice of dealing with diseases and injuries to the body. One of its most important…
SULPHUR CRYSTALSMAKING SULPHURIC ACIDTRANSPORTING SULPHURIC ACIDSEMI-METALSHALOGENNOBLE GASESFIND OUT MOREThe metal elements in the periodic table have easily defined properties. The remaining…
Try to imagine life without antibiotics. We wouldn’t live nearly as long as we do without them. Here’s a look at some discoveries that have changed the world. It’s impossible to rank their…