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Health & MedicineAntioxidants for greyhounds? Not a good bet
Antioxidant vitamins that greyhound racers have been giving their animals to boost performance actually slow down the dogs.
By Janet Raloff -
Health & MedicineStudy fails to link vasectomy to cancer
Researchers have found that men with prostate cancer are no more likely to have had a vasectomy than healthy men are.
By Nathan Seppa -
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This article says that the water drop is added to the back of the paper “as a wall against which the metal plume could push.” It seems more likely that the heat of the laser would even more violently vaporize the water, creating a small explosion that would drive the plane forward via the relatively […]
By Science News -