Word: samplesize
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By taking blood samples from volunteers at regular intervals and analyzing their lipoproteins, Dr. Gofman is now convinced that he has enough experience to forecast whether a given individual will suffer from atherosclerosis. (Other researchers are not sure that he is right. Three laboratories-at Harvard, the University of Pittsburgh...
But the red warning lights, apparently, fail to attract University Police. Discriminating in their choice of colors, these gentlemen are fascinated by another shade: orange. In fact, they seem so enamored by this duller hue that they amuse themselves during the dark of night and early morn distributing samples to...
Dr. Welsh took samples of adult shrimp back to his laboratory. He found that they were happiest in hot water (110° F.) and that they all laid eggs before they finally died. He also brought dried mud from the borders of the lake. It presumably contains shrimp eggs, and...
At the Agriculture Department, the Russians kept up the momentum of their questioning. They asked for samples of hybrid corn, agreed to exchange seeds; the Russians wondered whether the Department told farm-machinery companies what kind of tractors and combines they should design. When they were informed that the U.S...
* The virus is inactivated by mixing it with a formaldehyde solution. The key to the correct process is using just the right amount of formaldehyde and letting the brew simmer for just the right duration; too much or too long may cook the virus to a point where the vaccine...