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" Welcome to PM/AM, Popular Mechanics&amp;#039; morning briefing on the top science and tech stories for today.  Fourth of July and fireworks. You can&amp;#039;t have one without the other. Fireworks have been an Independence Day tradition since 1777 when fledgling Americans blasted thirteen sparkling stars over Boston and Philadelphia to represent the thirteen colonies.  In honor of the Fourth, Popular Mechanics has all your fireworks-related questions covered. For the science behind all kinds of fireworks from weenie-sized firecrackers to hardcore artillery shells, read With a Bang: The Science of Fireworks. You may already know that the first fireworks came from China. But did you know that they were originally made of bamboo and were used to ward off evil spirits? And Italian pyros were the first to make colorful fireworks?A Brief History of Fireworks shares these tidbits and more. Finally, here&amp;#039;s a list of where to NOT set off fireworks. Spoiler alert: your pants. Oh, and the toilet. Read This Find out whether Hurricane Arthur will rain on your Fourth of July parade. [via ABC News] A new app lets you anonymously rate your coworkers. And that&amp;#039;s a good thing? [via The Daily Dot] Everything you need to know about the EU&amp;#039;s decision about the &amp;quot;right to be forgotten&amp;quot; and Google search results. [via The Guardian] Watch This      Want to see what a brain looks like in action? Watch these hypnotic 3D visualizations of the human brain. "^^<http://www.w3.org/2001/XMLSchema#string>
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