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.
Did you know?
Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.
Did you know?
About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
Did you know?
If you could remove all of your skin, it would weigh up to 5 pounds.
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Cyanide works by making the human body unable to use oxygen.
The Tsavo Man-Eaters on display in the Field Museum of Natural History in Chicago, Illinois.