underground
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This Giant Mechanical Earthworm Is Fixing One City’s Poop Problem
Washington DC is overflowing with crap — and not just the sort spewed in US Congress. Rather, its ancient sewage system regularly overflows, sending a literal river of poo into the city’s waterways. Lady Bird is the name of the giant tunnelling machine sent to stop it.
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Why This Small Town Is The Mushroom Capital Of The World
To grow mushrooms is to let things rot, so something’s a lot of things are rotten in the US state of Pennsylvania. The Atlantic’s deep dive into the dark side of truffles last week got us wondering about their more prosaic cousins: the portobellos and white buttons you find shrink-wrapped at the supermarket.
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We Finally Found What’s Blocking The World’s Largest Tunnelling Machine
Ever since the colossal machine tunnelling under Seattle, nicknamed Bertha, was stopped in its tracks, there’s been a frenzied speculation about what mysterious “object” could possibly block such a powerful machine. The answer is, at least partially, a steel pipe.
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Terrifying Facts About The World’s Deepest Gold Mine
Oh, the things humans will do to get their grubby hands on gold — a metal that’s mostly useless except for the fact that we’ve arbitrarily decided it’s worth, uh, its weight in gold. The deepest gold mine in the world is Mponeng, a 2.5-mile hole in the ground in South Africa. A whole underground…