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

Energy Metabolism I

Food fuels our bodies, but how does our body convert food molecules into usable energy? This module looks at glycolysis and…

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Term of the day


[noun] The interaction of a molecule with something other than itself, often related to mechanical or electrostatic forces. For example, water forms…

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