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Cell Biology

Will Adult Stem Cells Cure Sickle Cell Anemia?
December 9, 2007
It’s been just weeks since two labs announced success harvesting pluripotent stem cells from skin cells (11/20/2007), and already beneficial applications are in sight.  Science Daily and Live Science reported on initial tests that show the new “induced pluripotent stem cells” offer hope for millions afflicted with sickle-cell anemia.  Though it’s too early to tell […]
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Amazing Facts

What Keeps Skin Strong? Velcro!
December 8, 2007
Skin would fall to pieces were it not for velcro-like molecules that bind its cells together.  These molecules, called cadherins, make skin strong but also supple.  Their secret was explained by Ashraf Al-Amoudi of the European Molecular Biology Laboratory, quoted in Live Science.  “The trick is that each cadherin binds twice: once to a molecule […]
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Amazing Facts

Dealing with Light at the Extremes
November 28, 2007
“Light is the most important variable in our environment,” wrote Edith Widder, a marine biologist.  The inhabitants of two different ecosystems have to deal with either too little or too much.  Let your light so shine:  A thousand meters below the sea surface, all sunlight is extinguished.  Yet for thousands of meters more, creatures live […]
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Human Body

The Brain Evolved!… Didn’t It?
November 9, 2007
Evolutionary neurologists are so absolutely sure the human brain is a product of evolution from lower primates over millions of years, they are able to talk openly and frankly about problems with the particulars.  But in reading some of their own reviews of current ideas, it is not clear which has been evolving: the brain […]
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Amazing Facts

Developing Ear May Have Tuning Fork
November 3, 2007
What tunes up an embryo’s ears before it hears its first sound?  A new study suggests that support cells in the cochlea, long thought to be inert, have a role in tuning up the hair cells during development.  Experiments by Dr. Dwight Bergles and a team at Johns Hopkins suggest that cells in a tissue […]
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Cell Biology

Month-End Close-Out
October 31, 2007
Sometimes the creation-evolution news comes in too fast.  Here’s a baker’s dozen from the October shelf, lest they go stale; time to start a new batch for November. Charity begins at worldview:  David Cyranoski in Nature (450, 24-25, 10/31/2007) investigated why the level of charitable giving in prosperous Japan is a tenth of that in […]
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Amazing Facts

Inner Ear More Complex than Thought
October 13, 2007
Another level of complexity has been added to the mystery of hearing.  Scientists at Massachusetts Institute of Technology (MIT) found that another membrane in the cochlea of the inner ear, once thought to be passive, is actively involved in transmitting sound waves to the hair cell receptors.  Their work was published in PNAS.1     […]
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Health

Appendix to the Vestigial Organs Story: Whoops, Function Found
October 6, 2007
The appendix is not just a useless organ left over from our evolutionary past, new research is showing.  According to an Associate Press article (see MSNBC News), this “seemingly useless organ may produce, protect good germs for your gut.”  Scientists at Duke University Medical School believe that the appendix can regenerate the normal bacterial flora […]
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Amazing Facts

Don’t Just Sit There; Evolve
September 27, 2007
Have you ever wondered why your body doesn’t evolve?  After all, it is kind of like a population of trillions of organisms.  Why shouldn’t it follow the rules of natural selection?  Philip Ball asked this question in News@Nature recently.  “Evolution is usually thought of as something that happens to whole organisms,” he teased.  “But there’s […]
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Cell Biology

Stem-Cell Advocates Try to Shield Ethical Concerns
September 26, 2007
Would an embryonic stem cell by another name cease being human?  Several recent articles on embryonic stem cells are going beyond just touting the potential cures from the controversial research, which involves creating and destroying a human embryo.  Some are blurring the line between embryonic and adult stem cells (cf. 12/02/2006) and attempting to avoid […]
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Darwin and Evolution

Are You a Glorified Ape?
September 9, 2007
Evolutionists cannot deny the large cognitive gaps between humans and the alleged nearest ancestors, the great apes.
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Amazing Facts

Eyes Do Precision Digital Sampling
September 8, 2007
What is the shutter speed of the eye?  Have you ever considered this question?  After all, the eye functions like a camera in some respects.  Shutterbugs know that shutter speed and aperture are factors in proper exposure.  Most of us know that the iris of the eye controls the aperture, but what controls the shutter […]
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Health

Gratitude Protects Against Health Loss
August 15, 2007
A study in the “new science of gratitude” showed that thankfulness is good therapy.  Researchers at UC Davis and Mississippi University for Women tracked 12 female patients who kept journals of their hospital stays while receiving organ transplants.  A control group just reported “medication side-effects, how they felt about life overall, how connected they were […]
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Human Body

Monkeys Prefer the Sound of Silence
August 5, 2007
Given a choice, chimpanzees choose silence over music.  The Random Samples page in Science1 mentioned experiments by scientists from MIT and Harvard where monkeys were given a choice of booths playing a flute lullaby, a Mozart concerto, techno-rock, and silence.  Between the musical booths, “The monkeys spent an average of about two-thirds of their time […]
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Early Man

Human Variability May Swamp Ancestral Hominid Claims
July 22, 2007
Here are some things to think about when paleoanthropologists draw inferences from fossils alleged to be human ancestors.  A seven-foot-nine-inch man in Mongolia just married a lady more than two feet shorter (see picture at National Geographic).  And a man with just a narrow rim of brain material inside his skull had no symptoms except […]
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