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Sometimes we know little about the planet we live on besides the latest weather report. Earth science videos help to explain how natural disasters, the atmosphere, weather, geology, geophysics and the ocean all work together.

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Here Comes a Heat Wave

Watch this video about heat waves in the western U.S. on HowStuffWorks. With temperatures spiking well above 100 degrees in much of the western U.S., emergency workers carried buckets of ice water and set up cool zones. State and local officials fear power outages and urged residents to turn up thermostats.
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