6th Grade Science Fair Projects - 0 views
The bugs within us | Science News for Students - 2 views
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The bugs within u
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No, not cockroaches and ants. These bugs are tiny, single-celled bacteria you can’t see. They blanket your skin. They also fill your stomach, intestines, lungs and mouth.
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Don’t worry about being less than human, though. Bacterial cells are very small. All of these bugs make up only between 1 and 3 percent of your body weight.
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'Surfer's Waves' Found in Space - 4 views
Ambitious Science Teaching - AST - 1 views
At chicken plants, chemicals blamed for health ailments are poised to proliferate - The... - 1 views
Health Effect of Chemical Exposure - 3 views
Interactive Eukaryotic Cell Model - 2 views
Metric Length - 1 views
U.S. Soldiers Were Injured by Iraq Chemical Weapons, Report Shows | English (ELA) | Vid... - 1 views
Metric System of Measurement - 2 views
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