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Mars’ strange gullies may have an explosive origin
Mysterious gullies on the surface of Mars, long puzzling scientists, appear to have been carved by burrowing blocks of COâ‚‚ ice, according to a recent study that describes this mechanism as an ...
McEWEN, Tenn. (AP) — A massive blast at a Tennessee explosives plant that killed 16 people, leveled the building and was felt more than 20 miles away began in an area where workers used kettles to ...
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