Adult head lice are gray, about ? inch long, and often have a tiny dot on their backs. A female can lay between 50 and 150 eggs within the several weeks that she is alive. They feed on human blood.
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Blood is approximately twice as thick as water because of the cells and other components found in it.
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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
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According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.
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The B-complex vitamins and vitamin C are not stored in the body and must be replaced each day.
Biological anthropologists map skeletal remains from a prehistoric site.
Work and Gender: Women at Work in India
Work and Gender: Women at Work in India
Biological control pits one organism against another
General, Organic, and Biological Chemistry, 3rd edition