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Scientists and Research
Ellen Ochoa
Although she was rejected by the space program initially, Ellen Ochoa went on to become...
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Earth Science
Factors that Control Earth's Temperature
Based on how much sunlight hits Earth versus how much is reflected, Earth’s average temperature...
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Scientists and Research
Ruth Benerito
Wrinkle-resistant cotton is one of the most significant developments of the 20th century. In the...
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