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Luria, Salvador Edward

(Encyclopedia) Luria, Salvador Edward, 1912–1991, American physician, b. Turin, Italy, M.D., Univ. of Turin, 1935. He conducted research and taught at the Institute of Radium in Paris (1938–40),…

Los Alamos

(Encyclopedia) Los AlamosLos Alamoslôs ălˈəmōsˌ, lŏs [key], uninc. town (1990 pop. 11,455), seat of Los Alamos co., N central N.Mex. It is on a long mesa extending from the Jemez Mts. The U.S.…

Rogers, Roy

(Encyclopedia) Rogers, Roy, 1911–98, American Western film star, b. Cincinnati, Ohio, as Leonard Franklin Slye. The guitar-strumming Rogers succeeded Gene Autry as America's favorite singing cowboy…

nucleic acid

(Encyclopedia) CE5 Replication of strands of DNA CE5 nucleic acid, any of a group of organic substances found in the chromosomes of living cells and viruses that play a central role in the…

Roundup of Recent Science Discoveries, 2001

The Fog at the Beginning of the Universe A team of astronomers from the California Institute of Technology, led by S. George Djorgovski, may have glimpsed the dawn of our universe. In Aug. 2001,…

Alzheimer's disease

(Encyclopedia) Alzheimer's diseaseAlzheimer's diseaseălsˈhīˌmərz, ôls– [key], degenerative disease of nerve cells in the cerebral cortex that leads to atrophy of the brain and senile dementia and,…

2007 Nobel Prize Winners

Related Links Nobel Prize History Nobel Prize History Quiz Nobel Peace Prize Winners Quiz Physics: Albert Fert (France)…

Determining the Sex of Offspring

The Question: My wife and I have argued this, and I've had trouble finding the answer. Which sex carries the genes to determine the sex of the offspring...…