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18900
What is the etymology of Yanomami? Unless someone pulled my leg, I was told that it was Yanomamo originally. If so, then it may be that the tribe was named by outsiders, much like Native Americans were called Indians by Columbus and others. Anibal José da Silva Houston, Texas The Yanomamo are the most numerous […]
- Anthropology
Rumble in the Jungle
A new book raises troubling and controversial issues regarding research on a famous South American Indian population.
- Earth
Eye above the Timberline
The Tundra-Cam, operated by the University of Colorado’s Institute of Arctic and Alpine Research, sits at an elevation of 11,600 feet near the U.S. Continental Divide. Visitors to the Web site can operate the remotely controlled webcam, panning across the mountainous landscape and zooming in on particular features of interest. Go to: http://tundracam.colorado.edu
- Physics
From the January 24, 1931, issue
EINSTEIN DISCUSSES REVOLUTION HE CAUSED IN SCIENTIFIC THOUGHT – By Dr. Albert Einstein From far away I have come to you, but not to strangers. I have come among men who for many years have been true comrades with me in my labors. You, my honored Dr. Michelson, began with this work when I was […]
- Health & Medicine
Dietary stress may compromise bones
Internal conflict about what and how much to eat not only induces production of a stress hormone but also may eventually weaken bones.
- Health & Medicine
Raloxifene doesn’t hike breast density
Estrogen-replacement therapy that includes estrogen increases breast-tissue density among postmenopausal women, but the estrogen-replacement drug raloxifene doesn’t.
- Earth
Pinning Down the Sun-Climate Connection
Many scientists propose that changes in the sun's magnetic field and radiation output during its 11-year sunspot cycle also affect the atmosphere, changing Earth's climate by steering weather systems and influencing the amount of cloud cover.
- Physics
Magnetic Whispers
Promising new ways to magnetically probe tissues and substances are emerging now that a small research group has proved their once-ridiculed claim of a flaw in the 50-year-old theory behind magnetic resonance imaging (MRI) and similar analytic techniques.
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18899
I enjoy your well-written articles, obviously by individuals who are not only proficient in their fields, but who also have great verbal skills and an excellent grasp of the English language. Therefore, it was with a great deal of surprise and dismay that I read the revolting title “Flood’s rising? Quick, start peeing!” Helen Burkin […]
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Flood’s rising? Quick, start peeing!
Malaysian ants that nest in giant bamboo fight floods by sipping from water rising inside and then dashing outdoors to pee.
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Warblers make species in a ring
Genetic and song analyses of the greenish warblers in forests around the Tibetan Plateau suggest the birds represent a long-sought evolutionary quirk called a ring species.
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Brain takes emotional sides for sexes
Men's and women's brains may adopt different approaches to fostering memories of emotional experiences.
