Ronald T. Merrill

Jan. 14, 2011

The Poles, They Are A Changin'

A Florida airport recently had to close its main runway to repaint directional signs, due to the changing location of magnetic north. We'll talk about the planet's magnetic field.

geomagnetism, geophysics, magnetic field

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Michael Pollan Talks Plants and Food

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Mystery Box

Can the Bacteria in Your Gut Send Messages to Your Brain?

Researchers discuss how the microbiome might play a role in anxiety, depression, and autism.

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