A learning space for science educators and students

Free Award-winning Content
Free Award-winning Content

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

About us
Next Generation Science Standards
We support NGSS

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

About NGSS

Quick Quiz

Carbon is a common component of

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Module of the day

Ruth Benerito

Wrinkle-resistant cotton is one of the most significant developments of the 20th century. In the midst of an economic and social…

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Term of the day

exponential growth

[noun] An increase in which the rate of growth of a value is proportionate to the previous increase in value. The change…

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