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Amazing Facts

Best Look Ever at Life’s Smallest Rotary Motor
January 7, 2010
All cells trade in energy currency called ATP (adenosine triphosphate).  The molecular energy pellets are produced in profusion by molecular machines with rotary engines.  The engines contain all the standard parts: rotor, stator, energy input, and torque production.  They are embedded in the membranes of mitochondria and run on proton motive force.  We’ve reported many […]
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It Takes More than Eyes to See
January 6, 2010
We think of eyes as objects that see, but vision requires a whole system of parts.  One of the most important is the brain.  Without your thalamus, vision would be a hopeless jumble of jerky signals, reported scientists from the National Eye Institute.     Writing in PNAS,1 Ostendorf, Liebermann and Ploner found that the […]
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DNA Repair Requires Teamwork
January 3, 2010
As if the genetic code itself was’t incredible enough, researchers have been finding systems that repair it.  There are numerous pathways the cell can embark on to fix DNA errors.  Two key players were recently described in more detail in the journal Science.1     A damaged genetic code is worse than a book with […]
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Simplest Microbes More Complex than Thought
December 29, 2009
The smallest, simplest cells are prokaryotes.  These are the bacteria and archaea that lack a nucleus and are usually considered primitive.  Scientists are finding, though, that they know many of the same tricks as the more complex nucleus-bearing eukaryotes.     PhysOrg reported that a species of Mycoplasma, among the smallest independent-living bacteria, is more […]
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Clever Animals Inspire Lookers – And Engineers
December 16, 2009
Incredible animals provide endless delights with their antics.  Even microorganisms are capable of amazing feats.  Sometimes these living things inspire inventors, too. Coconut octopus:  Tool use was supposed to be a late marker of primate intelligence as chimpanzees were evolving upward to manhood.  That’s so 1890.  Now that we know crows can use tools (05/26/2009), […]
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Microscopy’s Golden Age Is At Hand
December 6, 2009
Like test pilots breaking the sound barrier, microscope makers are breaking a light barrier some said was physically impossible: the diffraction limit.  Within the next 5 to 10 years, we may see more and more images of phenomena at the molecular scale – not with electron microscopes, but with light microscopes in real time.  What […]
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Taking Inspiration from Nature
December 3, 2009
In the previous entry, Darwin inspired some geologists, even though he was wrong.  Here are some news stories showing nature inspiring engineers with wonders right under their noses. Aerodynamic seed:  A plant in Java has seeds that are perfect gliders.  The BBC News said of the Alsomitra vine: “The seeds, which are produced by a […]
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Seeing Sound and Hearing Light
November 28, 2009
Synesthesia, the syndrome in which people’s senses become confused, may not be so off the wall.  Research at the University of British Columbia “flips the traditional view of how we perceive the world on its head.” Experiments show that our brains perceive the world by synthesizing multiple inputs.  The latest evidence of this is that […]
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Gap Between Origin-of-Life Research and Simplest Life Grows
November 27, 2009
Evolutionists are celebrating experiments that allegedly showed RNA chains can assemble in water – given nucleotides to start with (see Science Daily).  The suggestive steps over the gap from nonlife to life should be tempered with other discoveries that life is anything but simple.     New Scientist reported today that a “‘Simple’ bacterium shows […]
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Hammerhead Sharks Have 360-degree Stereo Vision
November 23, 2009
Scientists at Florida Atlantic University have found that the strange heads of hammerhead sharks give them exceptional binocular vision.  This has long been debated.  By placing electrodes in the eyes of three hammerhead species, and comparing the visual overlap they obtain compared to other sharks, the scientists confirmed that there is a “massive 32-degree overlap” […]
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Giraffe Has Supercharged Heart
November 22, 2009
In many ways, the giraffe has been an icon of evolution.  Why, and how, did it get its long neck?  These questions have often been the focal point of a clash of Darwinian and Lamarckian explanations.  Today, many just assume it evolved somehow.  For instance, BBC News article stated flatly, “A giraffe’s heart has evolved […]
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Insect Wing Photocopied for Good
November 15, 2009
Biomimetics is the new science of imitating nature – but why not save a step, and just copy the design directly?  That’s what Aussie and British researchers did.  They wanted a self-cleaning surface that could repel moisture and dust, so they made a template of an insect wing.  And why not?  “Insects are incredible nanotechnologists,” […]
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To Advance Science, Imitate Nature
November 1, 2009
Biomimetics – the imitation of nature – continues to be one of the hottest areas in science.  Here are a few of the latest findings coming from the world of living creatures. Fish robot:  National Geographic News shows a photo of the latest thing in underwater robotics: a robotic submarine modeled after the Amazonian knifefish.  […]
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DNA Organization Is Fractal
October 13, 2009
How would you pack spaghetti in a basketball (07/28/2004) such that you could get to any strand quickly?  You might try the “fractal globule” method.  You form little knots, or globules, on each strand.  These become like beads on a string.  Now you fold the beads into globules, and then fold those into higher-level globules.  […]
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Chemistry Nobel Celebrates Cell Complexity
October 10, 2009
A discovery rivalling the elucidation of the genetic code is the structure of the ribosome – the “molecular machine” that translates the DNA code into proteins.  Untangling the complexity of this multi-part system won three scientists the Nobel Prize for Chemistry (see BBC News).  The winners are Venkatraman Ramakrishnan, Thomas Steitz and Ada Yonath.   […]
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