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For nearly 130 years, the worlds scientists have used a singular small, metal cylinder to define the exact weight of a kilogram. But that is about to change. The cylinder was made in 1889 of platinum and iridium metals. It is called the Grand K. The
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I salute the United Democratic Front, the National Education Crisis Committee, the South African Youth Congress, the Transvaal and Natal Indian Congresses, and COSATU and the many other formations of the Mass Democratic Movement. 我向统一民主阵线
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Stay Thin By Sleeping More A study published Monday found that people who sleep less tend to be fat, and experts said it's time find if more sleep will fight obesity. We've put so much emphasis on diet and exercise that we've failed to recognize the
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When assembled, Michell's apparatus looked like nothing so much as an eighteenth-century version of a Nautilus weight-training machine. It incorporated weights, counterweights, pendulums, shafts, and torsion wires. 装配完毕以后，米歇尔的仪器
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A short period of gorging on junk food has a more permanent effects on body size and the way it stores fat even after the initial weight is lost, the study found. The gluttony changes fat mass the percentage of fat in the body for more than two years
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BMI stands for Body Mass Index, and it's a way to estimate whether or not an adult is over or under weight for his or her height. No equipment is necessary. You can figure out your BMI at home with a calculator. You multiply your weight in pounds by
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