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Amazing Facts

Why Our Voices Are Unique
March 15, 2007
We can usually recognize friends and acquaintances by their voices.  If we all have the same hardware, though, how is this possible?  The answer is in the vortex.  Sounds sci-fi, but researchers at the University of Cincinnati used knowledge of jet engines to explore the possibility that vortices may help solve the mysteries of the […]
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Amazing Facts

Music Can Make You Smarter
March 12, 2007
Musical training in childhood can help one develop better language processing skills, reports a news item on EurekAlert.  Scientists at Northwestern University found that English-speaking adults who had musical training were better able to track intonations of Chinese tonal words than those who did not have such training.     The study contradicted an evolutionary […]
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Health

Skin Includes Built-In Damage Protection
March 11, 2007
Ultraviolet radiation that tans skin can also cause skin cancer, right?  Right, but the skin also produces a cancer fighter to come to the rescue, reported EurekAlert.  Scientists at the Dana-Farber cancer institute detected a known cancer fighter named p53 that is produced right under the skin.  Their results, published in Cell (see summary on […]
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Human Body

Evolutionary Theory Not Even Skin Deep
March 2, 2007
A book on skin just was published – no, not one of those books, but a book on the physiology of human skin.  Nina Jablonski wrote Skin: A Natural History (UC Berkeley, 2006) and Qais Al-Awqati (Columbia U) reviewed it in Science.1  The reviewer noticed that “In its discussion of the human skin, the book’s […]
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Health

3 Out of 5 Doctors – Leaves 2
February 28, 2007
Every once in awhile it’s good to be reminded that yesterday’s nutritional advice can be wrong.  We need to beware of simplistic approaches to health.  For instance, the cliches “If a little is good, more is better” or “it worked for me” can be deadly.  TV commercials are filled with glowing promises for this or […]
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Early Man

Music Out of Range of Darwin’s Instrument
February 9, 2007
In Science this week,1 Michael Balter reported on a Montreal meeting of the Brain, Music and Sound Research Center (BRAMS).  The center is gaining attention for its renewed interest in the biology of music, and why human beings are so good at this skill with its dubious survival value.  The topic came up about how […]
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Human Body

The Space Race: Just Staying Alive
January 30, 2007
“Ad astra!” the sci-fi slogan announces with eternal optimism: “To the stars!”  Medical doctors and astrobiologists are not sure you would want to stay there long, though.  Some recent findings give a dismal picture of the prospects for life – human or bacterial – at least in our solar system, if that can be assumed […]
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Amazing Facts

Muscles Use Gears, Automatic Transmission
January 28, 2007
Analogies may not be perfect representations of reality, but it must pique the interest of all of us the way Elisabeth Pennisi in Science1 compared muscle to cars and bicycles: One look at a ballerina as she pirouettes and poses drives home the remarkable ability of our muscles to adapt to diverse biomechanical demands.  Manny […]
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Amazing Facts

Your Body Knows Its Allies at Gut Level
January 24, 2007
How come your body doesn’t fight its good bacteria?  It sounds like a question only a scientist or a kid would ask, but think about it.  Your body jumps to arms to fight off pathogens, but lets millions of bacteria live in the intestines.  These bacteria help you digest your food, but are not “you.”  […]
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Amazing Facts

Human Endurance: Is It Evolutionary?
January 2, 2007
Some people are gluttons for punishment.  Many a couch potato is probably content to watch an Ironman or Ultramarathon on HDTV from a recliner, but the ones who take part in the grueling endurance contests gaining popularity illustrate some human capabilities scientists are only beginning to understand.  Nature1 described one called the Primal Quest adventure […]
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Amazing Facts

How Your Brain Conducts Itself at Attention
December 22, 2006
The conductor taps the stand.  All the musicians, who had been warming up or conversing with neighbors, suddenly hush and rivet their attention on the conductor.  The downbeat comes, and a marvel of coordination comes to life, each skilled player contributing to a unified yet diverse exhibition of harmonious sound.     Something like that […]
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Health

Are Embryonic Stem Cells a Stepping Stone to Eugenics?
December 16, 2006
In Paris, according to Science Dec. 8, “One cherished French institution has attacked another in a bruising battle over embryonic stem cell research.”  The cause of the “Jeremiad” as Science dubbed it, was a Catholic Archbishop’s statement to a French health institute that any research “instrumentalizes the embryo or borders on eugenics.”  The “News of […]
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Bible and Theology

Experiment: Take a Darwinist to Church
December 11, 2006
“Go to church and breathe easier,” announced an unusual entry on EurekAlert.  A study at Temple University found a positive correlation between religious activity and lung function.  They said that “religious activity is emerging as a potential health promoting factor, especially among the elderly.”  In addition, “going to church provides social contact and emotional support, […]
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Amazing Facts

How Your Joints Auto-Lubricate Themselves
December 7, 2006
Motion sets up an automated process that produces more lubricant for the joints, scientists at UC San Diego found.  EurekAlert explains how shear forces on cartilage stimulated it to produce proteoglycan 4, which secretes joint fluid where it coats and lubricates cartilage surfaces.  This way, the fluid is produced according to the need of the […]
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Health

How Stem Cell Reporting Can Blur Ethics
December 2, 2006
“The potential of stem-cell technologies to revolutionize medical care is causing great excitement among biologists and the general public,” Nature reported Nov 30.1  “ Recent studies on embryonic and adult stem cells, coupled with advances in our understanding of how they can be coaxed into forming particular cell types and tissues, have improved the prospects […]
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