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Quick Quiz

Wood is considered a mineral.

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Module of the day

Barbara McClintock

This module profiles the groundbreaking research of biologist Barbara McClintock in the field of genetics. The module describes McClintock’s painstaking process…

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Term of the day

degree

[noun] [temperature] One graduated unit of measure on a Fahrenheit or Celsius temperature scale. On the Kelvin scale, graduations are called Kelvins. [geometry]…

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