WHAT'S INSIDE: FORCES OF NATURE
- Climate & Weather
- Natural Disasters
FEATURED: FORCES OF NATURE
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Earthquakes, like volcanoes, happen all the time -- but most of them are so minor we can't even feel them. They're also similar to volcanoes in that we can't fully predict them, and scientists are always waiting for the next big one to occur.
Every night on the news, the weatherperson reports the UV index. What is the UV index and how is it calculated?