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Theories of the Universe: Size in the Microcosm

Size in the MicrocosmTheories of the UniverseForces, Particles, and Some Cosmological GlueSize in the MicrocosmThe Forces You Already KnowThe Particle ZooThe Last Train to Quarkville I'd like to…

Lord's Supper

(Encyclopedia) Lord's Supper, Protestant rite commemorating the Last Supper. In the Reformation the leaders generally rejected the traditional belief in the sacrament as a sacrifice and as an…

insectivore

(Encyclopedia) insectivoreinsectivoreĭnsĕkˈtəvōrˌ [key], term broadly given to any insect-eating animal or plant. The term also refers to mammals of the former order Insectivora, in which was…

Title IX

(Encyclopedia) Title IX, clause of the Educational Amendments of 1972 that reads: “No person in the United States shall, on the basis of sex, be excluded from participation in, be denied the benefits…

tektite

(Encyclopedia) tektitetektitetĕktīt [key], naturally occurring, silica-rich (65%–80% SiO2) glass resembling obsidian and sometimes shale, and is normally jet black to olive green. They appear as…

The 2011 Nuclear Crisis in Japan

Acute radiation syndrome, reactor meltdown, and nuclear disaster are all scary terms. Learn about what the terms mean in relation to Japan's 2011 crisis. By Jennie Wood…

Anatomy and
Physiology: Drainage System

Drainage SystemAnatomy and PhysiologyCardiovascular and Lymphatic CirculationVessels To and FroHere, There, EverywhereGoing Their Separate WaysOh, the Pressure!Drainage System As you saw in The…

List of Dinosaurs... By U.S. State!

State symbols have been around since 1893, when the World Fair in Chicago featured a National Garland of Flowers with a flower for each of the fifty states. While these flowers didn’t necessarily…

DK Science: Communication

HOWLING WOLVESFEARSUBMISSIONEXCITEMENTBIG FIN REEF SQUIDBOTTLE-NOSED DOLPHINSSCENTED MESSAGEBIOGRAPHY: JANE GOODALL British, 1934-LANGUAGEFIND OUT MORESounds, signals, and gestures make up an…