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eugenics

(Encyclopedia) eugenicseugenicsy&oomacr;jĕnˈĭks [key], study of human genetics and of methods to improve the inherited characteristics, physical and mental, of the human race. Efforts to improve…

Firsts in America

This selection is based on our editorial judgment. Other sources may list different firsts. Admiral in U.S. Navy: David Glasgow Farragut, 1866. Airmail route, first transcontinental: Between…

Life-Changing Science Discoveries

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…

Chicago, Ill.

Mayor: Rahm Emanuel (to April 2019)2010 census population (rank): 2,695,598 (3); Male: 1,308,072 (48.5%); Female: 1,387,526 (51.5%); White: 1,212,835 (45.0%); Black: 887,608 (32.9%); American Indian…

Biology Science Projects

Science projects for all grades.   More Science Projects Botany Science ProjectsChemistry Science ProjectsEarth Science ProjectsPhysical Science Projects Related Links Biology…

DK Science: Glossary

Adaptationthe response of a living organism to changes in its environment.Agea unit of geological time, which is characterized by some feature (like an Ice Age).Ambera yellowish, fossilized tree…

DK Science: Biochemistry

FOOD FOR ENERGYBREAKING DOWN CARBOHYDRATESDIGESTIONRESPIRATIONENERGY RELEASEDFOOD FOR BUILDING MOLECULESAMINO ACID BUILDING BLOCKSPROTEIN CELLSDNAFIND OUT MOREThe study of the chemical processes of…

DNA fingerprinting

(Encyclopedia) DNA fingerprinting or DNA profiling, any of several similar techniques for analyzing and comparing DNA from separate sources, used especially in law enforcement to identify suspects…