50 Years Ago
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Humans
From the October 1, 1932, issue
WARNING SPOTS OR TARGETS? Eye-spots, like those on the wings of the Cecropia moth on the front cover, are commonly interpreted either as warning markings, to scare off enemies, or as “targets” to draw the enemy’s attention to a non-vital spot. But moths get eaten anyway.–(Photo by Cornelia Clarke). COSMIC RAYS BOMBARD EARTH WITH 40,000 […]
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Humans
From the April 12, 1930, issue
MEDICAL WORLD HONORS DR. WELCH While the whole medical world united in honoring Dr. William Henry Welch on his 80th birthday on April 8, and the president of the United States delivered an address at the Washington celebration, few outside the world of science know who Dr. Welch is or why he was honored in […]
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Humans
From the April 5, 1930, issue
SPARROW-SIZE KINGFISHER The Celebes Wood Kingfisher (Ceycopsis fallax), shown on the cover of this week’s SCIENCE NEWSLETTER, is a bird scarcely as large as an English Sparrow. Similar kingfishers of tiny dimensions are found in various tropical countries. They are hunters as well as fishers and feed on insects and other life as well as […]
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Humans
From the September 24, 1932, issue
PREHISTORIC ROCK FORTS FOUND ON BARREN ARCTIC ISLAND Reports of finding inaccessible rock fortresses in the sea, used by people of the Far North many centuries ago, are brought back from Kodiak Island, Alaska, by Dr. Ales Hrdlicka of the U.S. National Museum. Dr. Hrdlickas discovery reveals for the first time that inhabitants of the […]
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Humans
From the March 29, 1930, issue
WANTED: EARLY PLANET PHOTOGRAPHS With the discovery of the planet beyond Neptune, by Lowell Observatory astronomers, many months of observation will be needed before even an approximate idea can be obtained of the orbit in which it is moving. A planet like this moves in the ecliptic, the plane in which Earth itself revolves around […]
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Humans
From the March 22, 1930, issue
THE SUN’S NEW TRANS-NEPTUNIAN PLANET The Lowell Observatory has made the discovery of a celestial body whose rate of motion and path among the stars indicate that it is a new member of the sun’s family of planets out beyond Neptune. Twenty-five years ago, Dr. Percival Lowell, director and founder of the Observatory at Flagstaff, […]
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Humans
From the September 17, 1932, issue
ANOTHER GREAT WALL The Great Wall of China, winding like a mighty, protecting serpent along the old northern boundary of the Celestial Kingdom– Hadrian’s Wall, the Great Wall of Britain, built and fortified to shut the barbarians of the north out of southern Britain in Roman days– And now, added to this small, select list […]
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Humans
From the March 15, 1930, issue
LARGEST BOILER One of the three largest boilers in the world is shown on the front cover. The boilers were recently installed in the East River station of the New York Edison Company to run the largest single-unit electric generator in the world. If this 215,000-horsepower turbo-generator had been developed in 1906, it could have […]
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Humans
From the March 8, 1930, issue
LEAVES OLDER THAN GRAND CANYON FOUND Fossil remains of plants found in the walls of the Grand Canyon show that many millions of years ago stunted vegetation of very singular aspect grew in a great, red, sandy floodplain under a semi-arid climate in northern Arizona. This great red land has been found by Dr. David […]
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Humans
From the September 10, 1932, issue
COVER PICTURE PURSUED OVER NEW ENGLAND HILLS By chasing a blue hole in the screen of cloud that covered part of New England, a party of eclipse observers that included Prof. John Q. Stewart, Princeton astronomer, successfully saw the corona in clear sky and obtained the News Letter‘s cover picture. Originally they planned to view […]
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Humans
From the September 3, 1932, issue
INSECT LARVAE MAKE MOSAIC JEWELRY Manufacturers of modern jewelry might well turn to the larvae of the caddis fly for effective models for small containers–tiny perfume bottles, say, or lipstick cases. These water-dwelling “worms” build mosaic coverings for the little cylindrical houses they spin for themselves, taking bits of sand and gravel from the streambed […]
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From the March 1, 1930, issue
BEAUTY IN A DITCH Among the photographs that attracted much attention at an exhibition of the London Salon of Photography not long ago was one that stood out as a gleaming example of the beauty to be found in common things–even in ugly things–by a sufficiently discerning eye. S. Uyeda saw a lot of big, […]
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