(Encyclopedia) Avogadro's numberAvogadro's numberävōgäˈdrō [key] [for Amedeo Avogadro], number of particles contained in one mole of any substance; it is equal to 602,252,000,000,000,000,000,000, or…
(Encyclopedia) spinal puncture, surgical penetration of the spinal canal by a hollow needle introduced between two of the lumbar vertebrae. The arrangement permits injection of antibiotics or…
(Encyclopedia) Candela, Felix (Félix Candela Outeriño)Candela, Felixfāˈlēks kändāˈlä [key], 1910–97, Mexican-American architect, b. Madrid. Candela studied in Madrid but was forced to flee Spain…
BUSH, George Herbert Walker, (son of Prescott Sheldon Bush, father of President George W. Bush), a Representative from Texas and a Vice President of the United States and 41st President of the…
ROOSEVELT, Theodore, (great-great-grandson of Archibald Bulloch, nephew of Robert Barnwell Roosevelt, father-in-law of Nicholas Longworth), a Vice President and 26th President of the United…
Why don't the oceans freeze? In the Arctic and Antarctic, they do. The ice cap at the North Pole is entirely over ocean; on the other hand, the ice is only a few feet deep. Oceans don't freeze…
The top boys' and girls' names, from 1900-2015 by Elaine Rho Related Links Most Common Names of Twins Most Common Names of Twin Girls Most Common Names of Twin Boys Most Popular…
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…