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Amazing Facts

A Pitcher of Health, and Reasons to Love Slime
January 28, 2008
Pitcher plants contain chemicals that just might help medicine and agriculture, reported PhysOrg.  A Japanese team found a myriad of interesting proteins in this “evolutionary marvel,” a plant that eats insect meat.     Now for some slimy good news.  PhysOrg said, “You know algae.  It’s the gunk that collects on the sides of a […]
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Getting a Hand on Facts and Meanings
January 24, 2008
What could be more simple than pressing a button with your finger?  That “seemingly trivial action is the result of a complex neuro-motor-mechanical process orchestrated with precision timing by the brain, nervous system and muscles of the hand.”  So says a press release from University of Southern California posted on EurekAlert.     Simple, everyday […]
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Butterfly Wings Flash Shiny Optical Tricks
January 22, 2008
You can get brilliant colors without pigment if you build patterns near the wavelengths of light.  Butterflies have the trick down to a science.  Their wings shimmer and shine with brilliant colors produced by nanostructures that scientists want to imitate.     Science Daily told how butterflies and moths, even the white-winged varieties, use nanostructures […]
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Solar System Super Snapshots
January 12, 2008
Here are some of the most fascinating new images coming from spacecraft out there on duty – but they didn’t just come in on their own.  They are brought to you by highly intelligent and dedicated human beings: the navigators, instrument teams, deep space network engineers, flight controllers and scientists who gather and distribute the […]
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Quality Control Ensures Accurate Cell Division
December 28, 2007
Cell division (mitosis) is a very complex process in which every part must be accurately duplicated and sent to the proper destination.  Picture a marching band where each flute player or tuba player is able to clone itself.  The players congregate at the center in two lines, divide, and move apart, forming two marching bands […]
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The Bible on a Pin
December 24, 2007
Israeli scientists have reproduced the Old Testament on a chip smaller than a pin head reported PhysOrg.  They’re calling it the world’s tiniest Bible.  A picture of the chip, the size of a grain of sugar, was included in the report on the BBC News.     The scientists managed their feat, the article explains, […]
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DNA Translation Has Codes Upon Codes
December 17, 2007
The DNA code is protected by another code, and is read with a machine that reads a third code.  This is an emerging picture from ongoing research into DNA transcription, as reported in Science.1     In the 1950s, scientists were astonished to find a code at the genetic basis of life.  DNA’s four-letter alphabet, […]
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Geology Sinks in the Mud
December 14, 2007
Question: what is the most abundant sedimentary rock in the world?  Follow-up question: what would happen to the science of geology if the consensus theory of how this most abundant sedimentary rock was deposited turns out to be wrong?  Prepare for a paradigm shift: experiments have shown mistakes in long-held assumptions about mudstone formation. Here’s […]
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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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Cell Gatekeepers: Diverse, Complex, Accurate
December 2, 2007
Cargo moves around rapidly and ceaselessly in every cell.  Some moves in and out of the external membrane, and some moves in and out of organelles and the nucleus.  In a system of protected domains surrounded by impermeable membranes, how does the cell control what should pass?  Details of the amazing gatekeeping mechanisms embedded in […]
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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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Nature Inspires Useful Products
November 16, 2007
Some day soon you may be able to extract water out of thin air, decorate your walls with detachable wallpaper, read street signs clearly in fog, and employ reusable tape underwater.  These are some of the innovations coming from biomimetics – science inspired by nature’s designs. Venus flytrap:  Alex Crosby at University of Massachusetts was […]
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Photo: Earthrise 2007
November 15, 2007
The Japanese Kaguya spacecraft has taken a series of “Earthrise” photos from lunar orbit, including this sequence.  The complete set of new hi-resolution photos is available at Japanese Aerospace Exploration Agency.  (Due to the orbital path of the spacecraft, Antarctica is at the top.)     “Earth-rise is a phenomenon seen only from satellites that […]
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More Cell Codes and Authentication Mechanisms
November 13, 2007
Here are more “cool cell tricks” that ensure a smoothly-functioning system inside the cell that can adapt to changes while protecting assets. Ribosome code:  Why don’t all ribosomes look alike?  Perhaps they know a secret code.  Another possible coding mechanism has been found in ribosomes, those important organelles in the cytoplasm that translate messenger RNA […]
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Winged Migration Grows Up
November 5, 2007
Scientists used to rely on metal bands on birds’ legs to find out how they got from here to there.  Now, they can glue tiny radio transmitters to their shoulders and follow them in real time.  What happened when Princeton scientists hijacked 30 white-crowned sparrows and took them from Seattle to New Jersey?  Age has […]
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