(Encyclopedia) Michel, HartmutMichel, Hartmutmĭkhˈəl [key], 1948–, German biochemist, Ph.D. Univ. of Würzburg, 1977. Michel was the first person to reduce a photosynthetic action center, which is a…
(Encyclopedia) Prelog, VladimirPrelog, Vladimirvlädyēˈmĭr prāˈlôg [key], 1906–98, Swiss chemist, b. Sarejevo, Austria-Hungary (now in Bosnia and Herzegovina). Educated in Prague, he worked in…
Humans have many shades of pigment in their skin. Skin with deeper pigment absorbs more of the Sun’s burning rays of light. Anyone, even those with dark skin, can burn if they are exposed to…
Born: Oct. 18, 1958Boxer has held world titles as welterweight, junior middleweight, middleweight and light heavyweight; four career losses have come against Ray Leonard, Marvin Hagler and twice to…
Mos Def
See also Notable Women Musicians and Dancers Notable African-American Musicians Notable African-American Visual and Performing Artists Asian American Artists and Musicians…
FILTER FEEDERAFRICAN LUNGFISHJAWLESS LAMPREYFISHFIND OUT MOREFish are water animals that evolved about 500 million years ago. They were the first animals to have an internal skeleton. Most fish…
Born: 1915Birthplace: Ontario, Canada Electron lens correction device—Hillier is noted for his contributions to the development of the electron microscope. The electron lens is used to focus a beam…
(Encyclopedia) oarfish, large, elongated fish, genus Regalecus, found in the oceans worldwide except for the polar regions. Oarfish species are solitary and rarely seen by humans. The giant oarfish,…
(Encyclopedia) mammography, diagnostic procedure that uses low-dose X rays to detect abnormalities in the breasts. Tomosynthesis, also known as 3D mammography, is form of mammography that combines X-…
(Encyclopedia) Tompkins, Daniel D., 1774–1825, American political figure, Vice President of the United States (1817–25), b. Scarsdale, N.Y. A leader of the Jeffersonian group in New York state, he…
