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...that he studies remains of ancient plants with an eye to what they tell about ancient climate and geography. His favorite haunts are peat beds, where plant material is often preserved so well that the species can be identified easily after many thousand years. Pollen grains are especially useful. Birch pollen found at a certain level of an ancient peat bed is proof that the climate was cold when the peat was formed. If the peat is dated by its carbon 14 content, the actual age of the cold period can be determined...

Author: /time Magazine | Title: Science: Birth of an Island | 9/17/1956 | See Source »

...thousand years ago, says Dr. Godwin, the last remnants of the Pleistocene glacier held out in the higher mountains of northern Britain. Plant remains of this date show that the country was open, arctic tundra with scattered patches of silver birch. Sea level was much lower. Peat dredged from the bottom of the North Sea shows that the southern two-thirds of its basin was filled by a chilly swamp connecting Britain with the continent, from Denmark to France...

Author: /time Magazine | Title: Science: Birth of an Island | 9/17/1956 | See Source »

...Parasitic diseases once thought peculiar to the south and the tropics are spreading north, reported the University of Illinois' Drs. Carroll L. Birch and Basil P. Anast. Mass migrations from south to north have carried with them hookworm, whipworm and ascarides. Immigrants in the thousands from the West Indies have brought the parasites of schistosomiasis and filariasis. Hookworm, whipworm and Schistosoma mansoni began to appear in northern cities only in 1950; years ahead of them were the amoeba (a cause of chronic dysentery) and pinworm. Estimated schistosomiasis cases in New York City, 70,000; in Chicago...

Author: /time Magazine | Title: Medicine: Research Reports | 6/25/1956 | See Source »

...family name was Bjorkegren, the first syllable of which is pronounced Burke. Its Swedish meaning is "limb of a birch tree," and it traces to Burke's great-grandfather, who worked for the Swedish Ministry of Forestry...

Author: /time Magazine | Title: ARMED FORCES: The Admiral & the Atom | 5/21/1956 | See Source »

...opponents, played its best lacrosse of the year in the third period when it held Exeter to only one score. Captain John Pille scored both goals for the freshmen. Three lineup changes for yesterday's game saw Jerry Pyle start as attackman, Bob Hoen move to midfieldman, and Dave Birch take over on defense...

Author: NO WRITER ATTRIBUTED | Title: Freshman Sports | 4/26/1956 | See Source »

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