Word: light
(lookup in dictionary)
(lookup stats)
Dates: during 1930-1939
Sort By: most recent first
(reverse)
...coming to light of this "living fossil" creates an evolutionary mystery. In logic its kind should have disappeared when the seas began to be thronged with more modern, more efficient rivals. A plausible theory is that the Coelacanths retreated to the deeps where competition was not severe, and persisted there as the archaic okapi survived in the dense Congo forests, as the primitive duck-billed platypus in benign Australia. If so, some whim or freak of circumstance brought this particular Coelacanth up from the deeps to the coastal water of South Africa. And the possibility remains that other "living fossils...
...under expensive cold-storage conditions. In the Mellon-Kroger process it is done in a few days at a temperature of 60°, a relative humidity of 90%. Molds and bacteria, which would spoil such warm, damp meat if left to themselves, are put out of action by ultraviolet light from a Westinghouse lamp...
...Faculty Council's recommendations of cross-field concentrations will see their first practical application today, as Dean Chase appoints four committees to deal with the down-to-brass-tacks problems of the Council proposal. The plan has already met its first criticism, in the light of its function under the University system, as the opinions of four professors were submitted yesterday...
Wald explained the well-known observation that animals and men deprived of vitamin A become night-blind, by demonstrating that the light-sensitive pigment of most rods participates directly in a retinal cycle with vitamin...
From the rods of fresh-water fishes, he extracted the vitamin-nature of the substance now called vitamin A-2. From chicken retina he obtained the first light-sensitive pigment to be found in these structures...