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Amazing Facts

To Sleep, To Dream: To Dream, Perchance, to Learn
April 25, 2010
When you have learned a complex task, take a nap and dream about it.  A new study shows that dreaming helps consolidate the memory in your mind and helps you perform the task better next time around.     Science Daily reported on research by scientists at Beth Israel Deaconess Medical Center.  They tested 99 […]
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Dinosaurs

Dinosaurs Lived in Vast Ecological Zones
April 24, 2010
Don’t think of dinosaur species living in small ecological zones.  Their habitats covered vast areas, according to a new study: “Researchers at McGill University are unlocking the mysteries of the little-known habits of dinosaurs in discovering that the entire western interior of North America was likely once populated by a single community of dinosaurs,” reported […]
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Amazing Facts

Update on Interplant Internet
April 23, 2010
One of the early “amazing” stories reported in these pages concerned the startling observation that plants use a kind of “email” system in their own interplant “internet” (see 07/13/2001).  What has been learned in the nine years since that story appeared?  Quite a lot, and another fascinating article about plant communication appeared this week in […]
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Biomimetics

Blood Clotting Fibers May Lead to Better Networks
April 22, 2010
We all know that blood clotting has kept us alive many times.  We would never have survived childhood scrapes and cuts had it not been for a cascade of responses in blood that builds a network of fibers quickly upon which a scab of tissue stops the flow of blood and begins repairs.  That first […]
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Darwin and Evolution

What Can Fossil Leaf Measurements Tell About Evolution?
April 21, 2010
Flowering plants burst on the scene in the fossil record 140 million years ago in the geologic timescale, creating an “abominable mystery” for Charles Darwin.  What can be learned by measuring the stems and leaves of fossil specimens?     Dana Royer and colleagues from Wesleyan University in Connecticut embarked on a project to measure […]
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Amazing Facts

Maxwell’s Demon Helps Run Your Muscles
April 19, 2010
James Clerk Maxwell once speculated that the second law of thermodynamics could be violated if an agent or “demon” could sort the hot and cold molecules at a barrier, thus overcoming the tendency toward thermal equilibrium.  Something like this has been found at work in the molecular machines in our muscles.  The actin-myosin motor is […]
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Amazing Facts

Genetic Subcode Discovered
April 18, 2010
Computer programmers know all about subroutines.  One master program can easily call other programs, which can return results back to the master program.  That’s very 1960s.  Today’s modular software responds dynamically from disparate sources and responds to feedback from embedded triggers.  They can call routines written in other codes or languages.  We’re beginning to find […]
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Darwin and Evolution

Psychologists Portray I.D. as a Form of Evolution
April 17, 2010
No need to draw a line between design and evolution, say two psychologists at the University of Iowa.  Intelligent design is really a lot like evolution.  They think we need to “better appreciate the actual forces that unite the processes of change across both evolutionary and developmental timescales.”     This strange theory was announced […]
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Darwin and Evolution

Darwin as Canary in a Coal Mine
April 16, 2010
The state of evolution teaching is like the fabled canary in a coal mine, Sean Carroll told Science.1  That’s why the molecular biologist from the University of Wisconsin, Madison is cutting back on his research and undergraduate teaching to concentrate on his new appointment: vice president for science education at the Howard Hughes Medical Institute.  […]
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Darwin and Evolution

SETI and other Pointless Gimmicks
April 15, 2010
Astrobiologist Paul Davies sure knows how to ask interesting questions, and ruffle feathers in the process.  His new book about SETI, The Eerie Silence, reviewed by Leslie Mullen in Astrobiology Magazine, defaced some long-standing notions.  But are his suggestions any improvement?     Davies thinks the Voyager record was a “pointless gimmick.”  He thinks that […]
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Physics

Conflicting Reports About Earthlike Planets
April 14, 2010
Are earth-like planets rare or common?  Your opinion might depend on which news stories you read.  “Polluted Old Stars Suggest Earth-like Worlds May Be Common,” reported Space.com and Science Daily.  The idea is that hydrogen in the atmospheres of white dwarfs might have come from water, which might be remains of rocky planets that got […]
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Solar System

Venus May Be Hot with Active Volcanoes
April 13, 2010
We already know Venus is hot from its suffocatingly dense atmosphere, but additional heat could be coming from underground.  Results from the European Space Agency’s Venus Express orbiter suggest that volcanoes have erupted any time between now and 2.5 million years ago, a “geologically recent” time compared to the assumed age of the planet (4.5 […]
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Darwin and Evolution

Life, an Elegantly Simple Mistake
April 12, 2010
The ribosome is a complex molecular machine made up of multiple protein and RNA parts.  Last year, winners of the Nobel Prize in Chemistry (see 10/10/2009) were praised for elucidating the structure and activity of ribosomes.  News stories described “the whole complicated process of transcription initiation, an operation that is of crucial importance in all […]
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Bible and Theology

Evolution as “Scientific Literacy” Dropped by NSB; Sets Off Firestorm
April 11, 2010
Can you be called scientifically literate if you deny that humans evolved from lower animals?  What if you deny the universe began with an explosion?  American students have typically scored low on those questions, leading to charges that they are scientifically illiterate compared to other countries in Europe and Asia.  But now, the National Science […]
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Cosmology

You Live in a Wormhole in a Black Hole
April 10, 2010
Is it publish or perish time?  A physicist at Indiana University thinks that “our universe could have itself formed from inside a black hole existing inside another universe.”  Let Nikodem Paplowski explain his idea: But he also notes that since observers can only see the outside of the black hole, the interior cannot be observed […]
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