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1998 National Medal of Science Recipients

Bruce N. Ames, Professor of Biochemistry and Molecular Biology and Director of the National Institute of Environmental Health Sciences at the University of California, Berkeley, for changing…

Our Ancestors Were Knuckle-Walkers

And other recent science discoveries by Otto Johnson More Discoveries IntroductionIce Age Haute CoutureAntisocial Brain Tissue DeficitNew Orleans, the New Atlantis?First Cloned…

Got Pesticides?

The hidden ingredient in children's diets by Kim Lundgren The 10 Most Important Foods to Buy Organic Baby food Strawberries Grains Milk Corn (corn chips, popcorn) Bananas Green beans Peaches…

Snakes with Legs?

And other recent science discoveries by Otto Johnson More Discoveries IntroductionIce Age Haute CoutureAntisocial Brain Tissue DeficitNew Orleans, the New Atlantis?First Cloned…

Pauling, Linus Carl

(Encyclopedia) Pauling, Linus CarlPauling, Linus Carlpôˈlĭng [key], 1901–94, American chemist, b. Portland, Oreg. He was one of the few recipients of two Nobel Prizes, winning the chemistry award in…

ground squirrel

(Encyclopedia) ground squirrel, name applied to certain terrestrial rodents of the squirrel family. In North America the name refers to members of the genus Citellus and sometimes to the closely…

aging

(Encyclopedia) aging, in biology, cumulative changes in an organism, organ, tissue, or cell leading to a decrease in functional capacity. In humans, aging is associated with degenerative changes in…

symmetry

(Encyclopedia) symmetry, generally speaking, a balance or correspondence between various parts of an object; the term symmetry is used both in the arts and in the sciences. In art and design, it is…

Farmer

What is this job like? Farmers grow crops and raise animals. American farmers run some of the most productive farms in the world. They sell their extra produce to other countries. Farmers…