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*Natural Sciences | Program Guide: Physical Geology

A guide to online library research for Natural Sciences students at APUS.


Note: Article databases are the most efficient search option when you need articles on a topic!  Visit the Article Databases tab above to see relevant databases.

Click here to explore physical geology journals (be sure to add the journal filter).

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SciFri Segment

Water covers 75 percent of the earth’s surface, but scientists are still trying to unravel its origin. One hypothesis suggests that crashing comets could have delivered the liquid, but some scientists say we should look under our feet rather than up towards the skies. Geophysicist Wendy Panero discusses how rocks deep within the earth’s mantle can trap water, and how this can enhance our understanding of the water cycle.  (Science Friday)