Morning Four

Here’s a little-known fact about the Purple Heart: George Washington created the award but it was virtually forgotten until Douglas MacArthur reinstated it in 1932. On today’s podcast we also talk about the purpose of that little black, mesh screen in the microwave and the source of 85 percent of the Earth’s oxygen. Listen to the full episode by clicking below or download it here.

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Today’s sources:

Purple Heart

Microwave mesh



Today’s video pick: Can Microwaves Hurt You?


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