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EarthMineral hunting, mob math and more reader feedback
Readers ask about Earth's most abundant mineral and discuss the notoriously unpredictable behavior of pedestrians.
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PhysicsHow a violin’s f-holes influence its sound
F-shaped holes move air faster, allowing classic violins to put out more powerful sounds at lower frequencies than their ancestors, a new study shows.
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PhysicsRaindrops kick up soil chemicals
The champagne-like fizz produced when a raindrop hits the ground may be responsible for the earthy aroma after a rainstorm.
By Andrew Grant -
PsychologyAdults with autism are left to navigate a jarring world
Researchers are beginning to study ways to help adults with autism navigate independently, get jobs and find friendship.