Uncategorized
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EarthLopsided lights
Simultaneous snapshots reveal that northern and southern auroras aren’t always alike.
By Sid Perkins -
Health & MedicineChimpanzees die from primate version of HIV
A new study links the simian immunodeficiency virus to serious AIDS-like illness in a wild population.
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LifeProtein plays three cancer-fighting roles
The tumor suppressor protein, p53, has three ways to protect cells from turning cancerous. A new study shows that p53 helps make microRNAs.
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LifeSleeping ugly
Analysis pinpoints genes that help springtails dehydrate and tough out the winter.
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SpaceJupiter takes it on the chin
Images reveal that an object has recently bashed into Jupiter, 15 years after the first of 21 chunks of Comet Shoemaker-Levy 9 struck the giant planet and created a memorable display of dark spots, waves and plumes.
By Ron Cowen -
LifeWeb decorating with garbage
Spider webs adorned with decaying food remains attract more attacks, but maybe there’s a defensive trade-off at work.
By Susan Milius -
Health & MedicineEarly testing for Alzheimer’s
Spinal fluid test in people with mild cognitive impairments can predict in many cases who will develop the disease.
By Nathan Seppa -
PaleontologyDiggin’ dinos
Structures found in Australian rocks may be the filled-in remains of the world’s oldest dinosaur burrows.
By Sid Perkins -
PhysicsRaindrops go it alone
A new study using a high-speed camera finds the shattering of solitary drips can produce a variety of sizes.
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When Humor Humiliates
For gelotophobes, even good-natured laughter can sound a lot like ridicule.
By Susan Gaidos -
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Science Past from the issue of August 1, 1959
Rename discomfort index — This summer you have a chance to “do something about,” not the weather, but the combination of heat and humidity that often makes so many persons so uncomfortable. The Weather Bureau in June started experimentally … publishing for the summer what it then called the “Discomfort Index.” The immediate results were […]
By Science News