From: LARRY KLAES (ljk4_at_msn.com)
Date: Sat Jul 24 2004 - 10:28:32 PDT
----- Original Message -----
From: e-letter_at_lists.sciencenews.org<mailto:e-letter_at_lists.sciencenews.org>
Sent: Friday, July 23, 2004 11:17 PM
Subject: Science News e-Letter
Weekly e-Letter from Science News
Subject: Science News Weekly e-letter
July 24, 2004
This week's cover story examines the possible consequences of the decision to let the Hubble Space Telescope die what many scientists regard as a premature death. News articles focus on a large-scale study of the use of antidepressant drugs, the rapid rate at which some gorges are carved, potential links between allergies and certain chemicals in plastics, El Niņo's effect on ocean-bottom dwellers, and more. Food for Thought ponders the implications of falsely labeled fish for sale. MathTrek journeys to this year's International Mathematical Olympiad in Athens.
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Science News is an award-winning weekly newsmagazine covering the most important research in all fields of science. Published since 1922, its 16 pages are packed with short, accurate articles that appeal to both general readers and scientists.
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To subscribe to Science News magazine, go to www.sciencenews.org<http://www.sciencenews.org/>
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NEW: Science News for Kids
Go to www.sciencenewsforkids.org<http://www.sciencenewsforkids.org/>
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THIS WEEK'S FEATURED ARTICLES:
[Biomedicine]
[Ecology]
[Astronomy]
THIS WEEK'S ONLINE FEATURES:
[MATHTREK]
[FOOD FOR THOUGHT]
[TIMELINE]
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Week of July 24, 2004; Vol. 166, No. 4
THIS WEEK'S TABLE OF CONTENTS: http://www.sciencenews.org/articles/20040724/toc.asp References and sources for all articles are available online at www.sciencenews.org<http://www.sciencenews.org/>
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[Physics]
[Earth Science]
[Environment]
[Biology]
[Biomedicine]
[Zoology]
[Mathematics]
[Astronomy]
[Archaeology]
[Chemistry]
[Zoology]
[Paleontology]
[Biomedicine]
[Environment]
[Science & Society]
http://www.sciencenews.org/articles/20040724/letter18.asp ----------------------------------
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: Sat Jul 24 2004 - 10:37:38 PDT
Suicide Watch: Antidepressants get large-scale inspection
Data from the United Kingdom indicate that depressed patients attempt and complete suicides at an elevated rate in the 3 months after starting to take any of four antidepressant drugs.
http://www.sciencenews.org/articles/20040724/fob1.asp
Deep-Sea Cukes Can't Avoid the Weather: El Niņo changes life 2.5 miles down
A 14-year study of a spot 2.5 miles underwater off the California coast shows short-term links between surface events and an abundance of deep-water creatures.
http://www.sciencenews.org/articles/20040724/fob5.asp
End of the Line for Hubble? Astronomers ponder space telescope's final years
With a space shuttle mission to repair and upgrade the Hubble Space Telescope now canceled, astronomers are pondering how to best use the flying observatory during its final years.
http://www.sciencenews.org/articles/20040724/bob9.asp
Math Olympiad in Athens
A team from the United States placed second in this year's International Mathematical Olympiad.
http://www.sciencenews.org/articles/20040724/mathtrek.asp
Seeing Red and Finding Fraudulent Fish
The sale of falsely labeled fish has implications for health, nutrition, and the environment.
http://www.sciencenews.org/articles/20040724/food.asp
>From the July 21, 1934, issue
Artificial lightning surpasses nature's own, Dutch Elm disease attacks trees in eastern states, and zinc found to be an essential part of animal diet.
http://www.sciencenews.org/articles/20040724/timeline.asp
To subscribe to Science News magazine, go to www.sciencenews.org<http://www.sciencenews.org/>
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REGISTERED SUBSCRIBERS to the print edition of Science News also have online access to the full text of the following articles:
Inside Plastic Transistors: Crystal-clear window opens on hidden flows
By creating a new type of plastic transistor, researchers have identified crucial details regarding electric flow through plastic semiconductors.
http://www.sciencenews.org/articles/20040724/fob2.asp
Quick Bite: Some gorges carved surprisingly fast
Analyses of rock samples from two river gorges along the Atlantic seaboard suggest that the largest parts of those chasms were carved during a geologically short period at the height of the last ice age.
http://www.sciencenews.org/articles/20040724/fob3.asp
Dangerous Dust? Chemicals in plastics are tied to allergies
Elevated risks for developing multiple allergies, including asthma, eczema, and rhinitis, appear to be associated with household exposure to synthetic chemicals called phthalates.
http://www.sciencenews.org/articles/20040724/fob4.asp
Parasite Pursuit: Sand fly coughs up leishmania protozoan's secrets of proliferation
A parasite spread by the sand fly secretes gel into the throat of the fly, which then regurgitates it when it bites a person, spreading the infection.
http://www.sciencenews.org/articles/20040724/fob6.asp
Potential Block for Epilepsy: Researchers find new drug target
Using genetically engineered mice, scientists have identified a new target in the brain for drugs that could prevent epilepsy.
http://www.sciencenews.org/articles/20040724/fob7.asp
Trail Mix: Espionage among the bees
Tests with two kinds of stingless bees suggest that the more aggressive species uses scent-based espionage to target raids on the milder species' food.
http://www.sciencenews.org/articles/20040724/fob8.asp
Generous Players: Game theory explores the Golden Rule's place in biology
Game theory is helping to explain how cooperation and other self-sacrificing behaviors fit into natural selection.
http://www.sciencenews.org/articles/20040724/bob10.asp
Two newly found space molecules
Researchers have detected two new organic chemicals in a large interstellar cloud.
http://www.sciencenews.org/articles/20040724/note11.asp
Seeds of agriculture move back in time
Excavations in Israel indicate that people began to eat large quantities of wild grass seeds and wild cereal grains by around 23,000 years ago, which pushes back by 10,000 years the estimated shift to a plant-rich diet.
http://www.sciencenews.org/articles/20040724/note12.asp
Tarantula venom disrupts cells in unexpected way
The unusual way in which the chemical components of tarantula venom disrupt cells could inspire the design of new drug therapies.
http://www.sciencenews.org/articles/20040724/note13.asp
A first for mammals: Tropical hibernating
The fat-tailed lemur, the first tropical mammal documented to hibernate, exploits local heat spikes to save energy during the long snooze.
http://www.sciencenews.org/articles/20040724/note14.asp
Chipmunks in Wisconsin toughed out ice age
Analyses of DNA from chipmunks in parts of the U.S. Midwest hint that some populations of the creatures stayed in northern refuges rather than migrating south at the beginning of the last ice age.
http://www.sciencenews.org/articles/20040724/note15.asp
New cholesterol guidelines advise more treatment
Citing results from five recent trials of anticholesterol statin drugs, U.S. health officials recommend that physicians use the drugs to treat many more patients with high cholesterol.
http://www.sciencenews.org/articles/20040724/note16.asp
Skin proves poor portal for arsenic in treated wood
Direct contact with old-style pressure-treated lumber should pose little risk that arsenic will penetrate the skin.
http://www.sciencenews.org/articles/20040724/note17.asp
Letters from the July 24, 2004, issue of Science News
To subscribe to Science News magazine, go to http://www.sciencenews.org
NEW: Science News for Kids!
Go to http://www.sciencenewsforkids.org
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