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BiologyOrigins of Life I
Since prehistoric times, people have pondered how life came to exist. This module describes investigations...
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Scientists and ResearchRuth Benerito
Wrinkle-resistant cotton is one of the most significant developments of the 20th century. In the...
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Scientists and ResearchFranklin Chang Díaz
Franklin Chang Díaz, the first Latin American to travel to space, ties the record for...
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