Add Yahoo as a preferred source to see more of our stories on Google. The American Pyrotechnics Association details how to safely set off fireworks to avoid injuries during Fourth of July activities.
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Fourth of July: How do fireworks work?
FOX's CB Cotton got a look into the science behind fireworks ahead of the U.S.'s 250th birthday. Meanwhile, hospitals are prepping for expected firework-related injuries. Donald Trump floats move to ...
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