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Earth SciencePlate Boundaries
Earthquakes and volcanoes can reveal a lot about plate boundaries. This module looks at the...
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BiologyThe Piltdown Hoax
The Piltdown Man was once hailed as the "missing link" in the evolution of apes...
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Earth ScienceHistory of Earth's Atmosphere I
This module looks at how the Earth's atmosphere has changed since the planet came into...
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