Израиль нанес удар по Ирану09:28
While it mostly affects children - around half have had it by their fourth birthday - people of any age can get it.
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A genetic test is needed which looks for a mutation of the BRCA 1 and 2 genes.
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We're all familiar with the high-pitched squeak of basketball shoes on the court during games, or tires squealing on pavement. Scientists conducted several experiments and discovered that the geometry of the sneakers' tread patterns determines the squeak's frequency, enabling the team to make rubber blocks set to specific frequencies and slide them across glass surfaces to play Star Wars' "Imperial March."