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

Wood is considered a mineral.

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Module of the day

Sergio Avila

This module offers an in-depth profile of wildlife biologist Sergio Avila and his work to conserve endangered jaguars and other wildlife…

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Term of the day

eukaryote

[noun] A single- or multi-cellular organism whose cells contain a distinct nucleus that encloses the organism's genetic material.

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