New Gadgets Include Broom and Coin Device in Bulletin
A science service gadget column previews innovations such as a plastic bristle broom that lasts longer and cleans corners, a heater speaker for car warmth and sound at drive-in theaters, a mid-air coin device for easy cash counting, a cord holder for ironing, a clock refrigerator defroster, paper pillows for trains and hospitals, and plastic photo and menu holders. Researchers invite readers to request Gadget Bulletin 465.
Endemic Epidemic and Pandemic Word Origins
Science Service explains endemic disease confined to a locality, epidemic as spread beyond, and pandemic when worldwide. It notes demic derives from Greek for people, en means within, pan means all, and epi means over and across populations. Influenza was pandemic in 1918.
MENTIONED IN THIS ARTICLE
Science Service
Follow Rules in Spraying DDT It’s Still Best Chemical Killer
War on flies resumes nationwide with cleanup and elimination of breeding sites as essential steps. DDT remains the primary weapon but resistance is possible. use residual sprays after thorough cleanup and combine with fogging and barrier methods. New insecticides such as chlordane methoxychlor and gamma benzene hexachloride offer alternatives with lower human risk. Public health agencies report no evidence that DDT used properly causes human sickness or dairy contamination.
MENTIONED IN THIS ARTICLE
Beltsville
U. S. Department of Agriculture
Norman Mitlin
Bureau of Entomology and Plant Quarantine
New England
Southwest
Midwest
Pacific Coast
U.S. Department of Agriculture
Department of Agriculture
Public Health Service
Food and Drug Administration
Army and Navy
Pan American Sanitary Bureau
How to tell edible mushrooms from toadstools safely
Nature Ramblings notes mushrooms appear after rain and warn of tummy-aches. There is no universal rule to distinguish edible from poisonous fungi. learn species individually or consult a botanist. Amanitas are easy to identify by a cup base and a loose ring.
MENTIONED IN THIS ARTICLE
Science Service
Long Range Weather Forecasting by Stratosphere Air Facts
Dr Malcolm Dole of Northwestern University suggests long range global weather predictions could come from analyzing light oxygen isotopes in stratosphere air. Planes or rockets would collect samples to map wind movements, aiding forecasts, contingent on mixing rates with other atmospheric gases.
MENTIONED IN THIS ARTICLE
Science Service
Malcolm Dole
Northwestern University
Dole
Earth
Do It Yourself Fire and Burglar Alarm System
Simple do it yourself alarm using a knife switch bell or gong wired to a main cord with laterals in a zigzag layout across barns garages attics cellars or living spaces. Install near the roof with a concealed switch and test by opening protected doors or windows then treat the cord with borax to ensure safe breakage.
MENTIONED IN THIS ARTICLE
Science Service
Birth of Edward Jenner Two Centuries Ago Anniversary
A historic note marks Edward Jenner born May 17 1749 in Berkeley England as the pioneer of vaccination. Jenner's cowpox observation led to inoculation against smallpox and inspired his lasting impact on medicine and public health.
MENTIONED IN THIS ARTICLE
Edward Jenner
Berkeley
England
London
Jenner
James Phipps
Napoleon
Spain
United States
Jefferson
Boston Board of Health
Paul Revere
Science Service
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Washington, D. C
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Science Service Biology
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Joseph H. Kraus
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