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We create and provide high-quality, accessible, educational content in the science, technology, engineering and mathematics (STEM) disciplines at the introductory undergraduate level.

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Our exclusive content integrates science and engineering practices with disciplinary core ideas and cross-cutting concepts in alignment with the Next Generation Science Standards.

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Quick Quiz

Any kind of rock can melt to form magma.

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Module of the day

The Process of Science

"What is science and how does it work?" This module introduces the Process of Science series, which answers this question, and…

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Term of the day


[adjective] Natural or native to a particular location or region (usually referring to a species of plant or animal). For example, the…

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