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- Health & Medicine
High elevation linked to hormone dearth
Elderly Peruvian women living at very high altitudes have lower blood concentrations of some key hormones than do their lowland counterparts.
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From the May 21, 1932, issue
GENES, ONCE HYPOTHETICAL, NOW SEEN AND PHOTOGRAPHED Genes, the ultimate units in heredity, have been seen and photographed. So declares Dr. John Belling, biologist on the staff of the Carnegie Institution of Washington. Genes have hitherto been dealt with as hypothetical entities by biologists, because no one has ever actually seen them. They were like […]
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Science Fair Snapshots
Experience the 2002 Intel International Science and Engineering Fair, held recently in Louisville, Ky.,
