/u/zeromig's posts in /r/askscience
How do we know that dinosaurs didn't roar, like in Jurassic Park? Would they have chirped and cawed and sang, like birds today?
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Why does a black hole's accretion disk (disks?) look like they're aligned with horizontal and vertical axes?
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I've recently read quite a few articles stating that future generations will suffer from a lack of water. Why? Where is the water going? Isn't Earth considered a closed system?
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Aside from sound barriers, are there other kinds of barriers in the world that have been theorized, if not observed?
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Let's say you've got an extremely hot room, a cool exterior, a balcony sliding door, and a standard bladed fan. What's the best way to cool down the room?
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[Astronomy?] What would planet-- say, Mars-- look like if it was terraformed for human colonization?
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