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- Math
Theorems in Wheat Fields
It’s no wonder that farmers with fields in the plains surrounding Stonehenge, in southern England, face late-summer mornings with dread. On any given day at the height of the growing season, as many as a dozen farmers are likely to find a field marred by a circle of flattened grain. This close-up of a crop […]
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19257
After reading your article, I am sure others must have also wondered if the “Tunguska meteor” that struck in Siberia in June 1908 might have been a mirror meteor. The mirror-asteroid strike described in the article sounds very much like descriptions of the event: tremendous energy and no impact crater. If a mirror object were […]
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19329
I was surprised to read about the extensive research in Puerto Rico that has found a link between phthalates in plastics and premature breast development in young girls.
