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

Biodiversity I

Since the time of hunter-gatherers, human beings have been aware of how the wellbeing of plants and animals dictates our ability…

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Term of the day

CE

[acronym] An abbreviation for Common Era, which is a designation for the time beginning with year 1 of the Gregorian calendar. CE…

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