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Newspaper
Winchester Evening Star
Location
Winchester, Virginia, United States of America
Date
May 04, 1948
Page
6
A roundup of new household devices includes a six hour burn table warmer with a plastic base and chrome grate, a fluorescent lamp claimed 7 percent more efficient, a washable mop cover for brooms, a sand filled traction aid for icy starts, a vacuum cleaner with novelty attachments, imitation frogs and ducks with propulsion, a crib attachment exerciser, an air cushion pad for gunstocks, and a call for gadget bulletins sent to Science Service for more information.
Linnaeus named poison ivy Toxicodendron meaning poison-tree. The shrub, not a tree, blooms now with small pale flowers and is highly virulent when flowering. Best avoided except for control with 2,4-D or ammonium sulfamate.
The 200 inch Palomar telescope will start full use in early June after final tests. Officials say its parabolic mirror, mounted on 36 supports, will enable direct photography and later spectroscopic work. It will surpass Mount Wilson’s 100 inch instrument in light gathering, but atmospheric conditions limit usable time to a fraction of nights.
Science Service reports Iowa State Agriculture Experiment Station tests show cornstalks can insulate walls. Loose-fill made by coarse meal works. dust lowers insulating value. Stalks are stripped, cut to disks or short lengths to keep structure. Fibers can be treated to resist decay or insects. cementing materials failed and were costly.
Restoration of the Deutsches Museum in Munich progresses slowly with the first public section opening a diesel engine anniversary exhibit. The damaged basement hosts exhibits, while physics displays await space. four-fifths of apparatus salvaged and repairable. The museum, a pioneer in industrial science and planetarium history, once flourished in the Weimar Republic.
The woodpecker finch of the Galapagos uses sticks or cactus spines to probe crevices for insects, offsetting a short bill. The European song thrush cracks snails by hitting shells on rocks, and ringed gulls drop shellfish from height to break them.
Dr. John D. Guthrie of the U S Department of Agriculture Southern Regional Research Laboratory reports a method to aminize cotton so it absorbs acid wool dyes as readily as wool. The process uses 10 percent aminating solution with 25 percent sodium hydroxide, heating 40 minutes at 100 C, then washing. The treated cotton also dyes with chrome dyes and direct cotton dyes, with slight strength loss.
FAO survey in Venezuela shows wild Amazon palms coconuts and other sources could supply world oil if harvested. study records potential yield per palm, fruit weight and oil content while noting challenges in labour health transport and extraction methods.
A junior science experiment explains that sugar crystals formed in colored solutions remain colorless on the crystal surface after washing. It guides a two stage method with filament strings and layered colored syrups to create rainbow rock candy and notes color can be washed away.
German researchers Drs. Oskar and Cecilie Vogt argue aging comes from brain cells no longer dividing. They say single-celled organisms remain young due to constant division, while human brain cells stop dividing after birth, growing old instead. They also claim mental activity slows aging, and overuse does not hasten it.
A German biologist reports that Chlorella algae live inside Paramecium and Stentor, providing nutrition to the hosts while the hosts protect and feed the algae. Inhabited hosts survive longer without food, though transfers between species fail.
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