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From the January 3, 1931, issue
STRANGE SEA FLOWERS BLOSSOM ON REEF Long ago some observant writer remarked that in the sea, many of the plants look like animals and many of the animals, like plants. Support for this view can easily be found in the strange sea urchin pictured on the cover of this issue of the SCIENCE NEWS LETTER. […]
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Migraine: What a Pain!
About one in 10 Americans, most of them women, suffer recurrent bouts of intense, often debilitating headaches–a syndrome known as migraine. The Journal of the American Medical Association has developed a Web site that serves as a repository of background information and news of use to migraine victims and their families. Keep up with the […]
- Math
Folding Maps
Anyone trying to refold an opened road map is wrestling with the same sort of challenges confronted by origami designers and sheet metal benders. The problem of returning a creased sheet to its neatly folded state gets tougher when you’re not sure if the sheet can be folded into a flat packet and when you’re […]
- Earth
Lake sediment tells of Maya droughts
Sediment cores taken last year from the bottom of a lake on Mexico's Yucatán peninsula indicate that a series of extended droughts coincided with major cultural upheavals among the Mayan inhabitants of the area.
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18894
Apparently your left column has no idea what your right column is doing. At the top left of page 15 in the Jan. 6 issue (“Y2K: One of the hottest, wettest yet”) you say Y2K is one of the hottest and wettest years yet. The first article starting on the right (“Sediments show bipolar melting […]
- Earth
Sediments show bipolar melting cycle
Both the North and South Poles have experienced regular and simultaneous periods of significant melting during the past 3 million years, according to sediments from the ocean floor at high latitudes.
- Earth
Snowpack chemistry can deplete ozone
Pollutants trapped in Arctic snow can be reactivated by sunlight when the sun returns to high latitudes in the spring, leading to ozone depletion in the snowpack and at low altitudes.
- Earth
Pollution in India may affect climate
Computer models show that air pollution over India could be preventing up to 15 percent of the sunlight from reaching the ground in the springtime, possibly causing temperature drops of up to 2 degrees Celsius.
- Earth
Y2K: One of the hottest, wettest yet
Preliminary data from the National Climatic Data Center indicate the year 2000 will be one of the six hottest and one of the ten wettest years on record.
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18915
Apparently your left column has no idea what your right column is doing. At the top left of page 15 in the Jan. 6 issue (“Y2K: One of the hottest, wettest yet”) you say Y2K is one of the hottest and wettest years yet. The first article starting on the right (“Sediments show bipolar melting […]
- Tech
Current may flow free and cheap
Wires that carry electricity without resistance at relatively high temperatures--and are inexpensive--moved a large step closer to reality as a 100-fold speed-up in depositing a key material wiped out a major obstacle to making those wires.
- Tech
From silicon seeds, laser might sprout
The achievement of light amplification in a layer of tiny nuggets of silicon called quantum dots raises the possibility that long-desired silicon lasers are on the way.
