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Luther D. Robinson, Sc.D., psychiatrist and acting superintendent of St. Elizabeth's Hospital in Washington, D.C. Deafness makes mental health problems difficult to detect and treat. [He] has brought attention to the mental needs of deaf people...

Author: /time Magazine | Title: Education: KUDOS: Round 1 | 6/7/1971 | See Source »

...suggest any major answer to perennial disputes. "My purpose," Aström explained, "is to maintain that fingerprints can be used in defining a population or a race. If we can establish sets of fingerprints from prehistoric times down to classical Greece, we shall also be able to detect when new peoples appear and, perhaps, when the Indo-Europeans first arrived in Greece...

Author: /time Magazine | Title: Science: Ancient Impressions | 6/7/1971 | See Source »

...existence of other more complex organic compounds such as amino acids-the basic building blocks of proteins-and porphyrins-related to hemoglobin, chlorophyll and some vitamins-is still open to debate. If these compounds exist, they are extremely rare and difficult to detect. This means contamination by terrestrial compounds is a real problem. Such contamination could occur if the sample containers leak, if the chemicals used in the test techniques are not absolutely pure, or if the rocket fuel burning produced complex organic contaminants...

Author: By Huntington Potter, | Title: The Moon Comes to Harvard-Cheese or Granite? | 6/2/1971 | See Source »

Building on the hypothesis that bac-teria use chemotaxis to locate food, Fogel, Chet and Mitchell investigated the effects of chemical pollutants on bacterial sensing mechanisms. They found that many of the bacteria tested could not detect food when small, non-lethal amounts of organic chemicals such as alcohol's were added to the seawater...

Author: NO WRITER ATTRIBUTED | Title: Researchers Say Pollutants Affect Marine Bacteria | 5/10/1971 | See Source »

Since each type of bacteria responded to the chemicals in a different way, Foget suggested that bacteria be classified on the basis of their ability to detect certain chemicals...

Author: NO WRITER ATTRIBUTED | Title: Researchers Say Pollutants Affect Marine Bacteria | 5/10/1971 | See Source »

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