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reproductive system

(Encyclopedia) CE5 Reproductive system reproductive system, in animals, the anatomical organs concerned with production of offspring. In humans and other mammals the female reproductive system…

The Oscars

Oscars–Filmographies Best Director Best Actor Best Actress Best Suppporting Actor Best Supporting Actress Best Adapted Screenplay Best Original Screenplay Best Original Music or…

Human Evolution

—By Karen Barss The story of human evolution began in Africa about six million years ago and it describes the very long process that our ancestors went through to ultimately become modern humans.…

Anatomy and
Physiology: The Four Chambers

The Four ChambersAnatomy and PhysiologyThe HeartAnatomy of the HeartThe Four ChambersThe Heart's Own BloodECG: Measuring a Beat So why do you need four chambers if three worked just fine for…

Poll Archive

Jump to a category: Animals & Pets Entertainment Harry Potter Food U.S. & Politics Other Cool Stuff What’s your favorite part of summer vacation? What’s your favorite school…

horror

(Encyclopedia) horror or horror story, literary genre in which an eerie, tense, often suspenseful atmosphere typically builds to the discovery of something repugnant, such as cannibalism, incest, or…

North American Native art

(Encyclopedia) North American Native art, diverse traditional arts of Native North Americans. In recent years Native American arts have become commodities collected and marketed by nonindigenous…

seal, in zoology

(Encyclopedia) seal, carnivorous aquatic mammal with front and hind feet modified as flippers, or fin-feet. The name seal is sometimes applied broadly to any of the fin-footed mammals, or pinnipeds,…