SETI bioastro: FW: Science News e-Letter

From: LARRY KLAES (ljk4_at_msn.com)
Date: Mon Jul 24 2006 - 07:02:19 PDT

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    >From: e-letter_at_lists.sciencenews.org
    >Subject: Science News e-Letter
    >Date: 21 Jul 2006 20:55:49 -0700
    >
    >Weekly e-Letter from Science News
    >July 22, 2006
    >Subject: Science News Weekly e-letter
    >
    >Leading this week's news is development of an innovative atomic clock
    >that's much more precise than current models. Other articles focus on
    >declines in certain insects and the wild plants they pollinate in Europe,
    >differences in gene activity between males and females, data challenging
    >psychokinesis, recurrent eruptions of a dense, nearby star, and more. The
    >cover story takes a mathematical bite out of a game called Chomp. Food for
    >Thought looks at how the production of ethanol for fuel could drive up food
    >prices. MathTrek tries boarding an aircraft.
    >
    >==================================
    >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.
    >----------------------------------
    >Science News for Kids
    >Surf Watch: Figuring out the waves and the wind is an important part of
    >surfing.
    >http://www.sciencenewsforkids.org/articles/20060726/Feature1.asp
    >==================================
    >
    >This Week's Featured Articles:
    >
    >[Physics]
    >Terrific Timekeeper: Optical atomic clock beats world standard
    >An innovative atomic clock is more precise than the breed of clocks that's
    >been the best for 50 years.
    >http://www.sciencenews.org/articles/20060722/fob1.asp
    >
    >[Astronomy]
    >Recurrent Eruption: Explosive stellar saga
    >Six thermonuclear explosions have ripped off the outer layers of a dense,
    >nearby star in the past 108 years.
    >http://www.sciencenews.org/articles/20060722/fob8.asp
    >
    >[Mathematics]
    >Chaotic Chomp: The mathematics of crystal growth sheds light on a
    >tantalizing game
    >A new, physics-based approach to analyzing simple games, such as Chomp and
    >Nim, reveals changing geometric patterns reminiscent of crystal growth.
    >http://www.sciencenews.org/articles/20060722/bob10.asp
    >
    >THIS WEEK'S ONLINE FEATURES:
    >
    >[MATHTREK]
    >Aircraft Boarding by the Numbers
    >Random airplane boarding isn't so bad.
    >http://www.sciencenews.org/articles/20060722/mathtrek.asp
    >
    >[FOOD FOR THOUGHT]
    >Demand for Ethanol May Drive Up Food Prices
    >The production of ethanol from corn and other crops for fuel could drive up
    >food prices.
    >http://www.sciencenews.org/articles/20060722/food.asp
    >
    >[TIMELINE]
    >From the July 18, 1936, issue
    >Modeling cosmic rays, shining colored light on plants, and the chances of
    >being struck by lightning.
    >http://www.sciencenews.org/articles/20060722/timeline.asp
    >
    >----------------------------------
    >To subscribe to Science News magazine, go to www.sciencenews.org
    >----------------------------------
    >
    >Week of July 22, 2006; Vol. 170, No. 4
    >
    >THIS WEEK'S TABLE OF CONTENTS:
    >http://www.sciencenews.org/articles/20060722/toc.asp
    >
    >References and sources for all articles are available online at
    >www.sciencenews.org
    >
    >***********************************
    >REGISTERED SUBSCRIBERS to the print edition of Science News also have
    >online access to the full text of the following articles:
    >
    >[Biology]
    >Bee Concerned: Big study--Selective pollinators are declining
    >A new study provides evidence of a decline among some of Europe's insect
    >pollinators and the wild plants that need them.
    >http://www.sciencenews.org/articles/20060722/fob2.asp
    >
    >[Biology]
    >Gender Divide: Gene expression differs in males and females
    >The two sexes vary in the amounts of proteins produced by thousands of
    >genes.
    >http://www.sciencenews.org/articles/20060722/fob3.asp
    >
    >[Behavior]
    >Deadly Disorder: Imagined-ugliness illness yields high suicide rate
    >The suicide rate among people with a psychiatric disorder that causes them
    >to perceive themselves as ugly is higher than that among people with major
    >depression.
    >http://www.sciencenews.org/articles/20060722/fob4.asp
    >
    >[Behavior]
    >From Mind to Matter: Data analysis challenges psychokinesis
    >Numerous experiments in which volunteers mentally attempt to influence the
    >output of computers that generate random sequences of 1s and 0s have failed
    >to show that individuals can use their minds to manipulate the physical
    >world.
    >http://www.sciencenews.org/articles/20060722/fob5.asp
    >
    >[Earth Science]
    >Sandy clues to ancient climate
    >The orientation of dunes in north-central Nebraska indicates that the
    >climate there a millennium ago was much different than it is today.
    >http://www.sciencenews.org/articles/20060722/fob6.asp
    >
    >[Biomedicine]
    >Big Headache: Auras may add risk to migraines
    >Women who experience migraines that are preceded by sensory irregularities
    >face a heightened risk of heart attack and stroke.
    >http://www.sciencenews.org/articles/20060722/fob7.asp
    >
    >[Biology]
    >Bringing Up Baby's DNA: Less risky techniques for assessing fetal genes
    >Researchers are developing ways to harvest babies' genes in less invasive
    >ways.
    >http://www.sciencenews.org/articles/20060722/bob9.asp
    >
    >[Planetary Science]
    >Some deadly monikers
    >Two recently found small moons orbiting Pluto have now been officially
    >dubbed Nix and Hydra.
    >http://www.sciencenews.org/articles/20060722/note11.asp
    >
    >[Zoology]
    >Stilts for ants make case for pedometer
    >Changing the leg length of desert ants upsets their ability to judge
    >distance, providing the first evidence in any animal of a built-in odometer
    >based on stride.
    >http://www.sciencenews.org/articles/20060722/note12.asp
    >
    >[Behavior]
    >Why people punish
    >When punishing criminals, people tend to seek retribution, not deterrence.
    >http://www.sciencenews.org/articles/20060722/note13.asp
    >
    >[Botany]
    >Orchid bends around to insert pollen
    >An orchid species in China has set a new record for acrobatics in
    >self-pollination, twisting its male organs around and inserting them into
    >the cavity where the female organ lies.
    >http://www.sciencenews.org/articles/20060722/note14.asp
    >
    >[Biology]
    >Mammoths: Blondes and brunettes?
    >The wool of woolly mammoths may have come in at least two shades.
    >http://www.sciencenews.org/articles/20060722/note15.asp
    >
    >[Biomedicine]
    >Ingredient might prevent sexually transmitted disease
    >A seaweed derivative that's commonly added to many consumer products as a
    >thickening agent can inhibit the virus that causes cervical cancer and
    >genital warts.
    >http://www.sciencenews.org/articles/20060722/note16.asp
    >
    >[Environment]
    >Alaskan coral beds get new protection
    >To protect cold-water corals, huge areas of Alaskan waters will be off
    >limits to trawls and other fishing gear that typically scrape the seafloor.
    >http://www.sciencenews.org/articles/20060722/note17.asp
    >
    >[Earth Science]
    >Global warming heats up nursery of hurricanes
    >Sea-surface temperatures in the North Atlantic Ocean reached record highs
    >last year.
    >http://www.sciencenews.org/articles/20060722/note18.asp
    >
    >[Science & Society]
    >Letters from the July 22, 2006, issue of Science News
    >http://www.sciencenews.org/articles/20060722/letter19.asp
    >
    >----------------------------------
    >To subscribe to Science News magazine, go to http://www.sciencenews.org
    >
    >***************************
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    >==================================
    >
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    >==================================
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