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

Santiago Ramón y Cajal and Camillo Golgi

This module traces the beginnings of neuroscience, with a focus on two fathers of neuroscience who shared the 1906 Nobel Prize…

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Term of the day

excitable

[adjective] A description of cells that are very sensitive to changes in voltage and the movement of ions.

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