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Rh factor

(Encyclopedia) Rh factor, protein substance present in the red blood cells of most people, capable of inducing intense antigenic reactions. The Rh, or rhesus, factor was discovered in 1940 by K.…

Lobster FAQ

Source: National Marine Fisheries Services' Northeast Fisheries Science CenterHow many kinds of lobsters are there in the United States? Two kinds of lobster-like crustaceans exist in U.S. waters…

January 2009 Current Events: U.S. News

World News | Business/Science News Here are the key events in United States news for the month of January, 2009. Richardson Withdraws Nomination for secretary of commerce…

DK Science: Growth

SKULL GROWTH BONE GROWTH SKILLS DEVELOPMENT IN YOUNG CHILDREN PUBERTY AGEING FIND OUT MORE The processes of growth and development continue throughout life. They include physical changes,…

Pacific Northwest B&Bs

Check out these B&Bs in Washington, Oregon, and British Columbia Misty Valley Inn Forks, WA No matter where the B&B is located, the…

Hispanic Population and the 2010 U.S. Census

What information did the 2010 U.S. Census provide about the Hispanic population? by Jennie Wood According to the 2010 U.S. Census, of the 308.7 million people who lived in the U.S. on…

Make Your Own Lava Lamp!

Art meets science, or vice versa by Holly Hartman Did you ever hear that "oil and water don't mix"? Here's groovy proof. You will need: vegetable oil or baby oil water food coloring…