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

Homo sapiens is

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Module of the day

Charles Darwin II

The second in a series discussing the work of Charles Darwin, this module takes a deeper look into the processes that…

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Term of the day

Feynman, Richard

[person] American physicist, born in Queens, New York (1918-1988). Feynman is best known for his work on quantum mechanics, quantum electrodynamics, and…

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