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Dinosaurs

Turtle Vaults Over 65 Million Year Evolutionary Hurdle
November 22, 2008
The Scots are bragging about their latest missing link – a swimming turtle.  The BBC News could hardly contain the excitement over this claim to evolutionary fame: “The new species forms a missing link between ancient terrestrial turtles and their modern, aquatic descendants,” the article said.  But along with celebration, there were admissions of ignorance: […]
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Birds

Polishing Darwin’s Icons
November 13, 2008
Finch beaks, peppered moths, transitional forms – the standard props for evolution have been scrutinized ad infinitum for decades.  Can anything new be said about them?  Find out in these recent articles. Peppered moths:  The peppered-moth story just about collapsed when investigators realized that the famous pictures that adorn textbooks were staged, because the moths […]
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Birds

Lizard Hair and Other Fables
November 12, 2008
In some science reports, it’s hard to tell where the data stops and the speculation begins.  In any case, evolutionary theory usually arrives in time to take credit for whatever happened in the unobservable past (cf. 08/24/2007). Bad hair joke:  Live Science wants you to blame your bad hair days on lizards.  Why?  Because according […]
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Amazing Facts

Snails Walk on Water
October 27, 2008
Why is that scientist staring at a snail?  He’s watching a miracle: walking on water.  This is not our exaggeration: Matt Kaplan on National Geographic News entitled his article, “How Snails Walk on Water Is a Small Miracle.”  If we can figure out the trick, we might be able to make little robots do it […]
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Mammals

Tooth Evolution Theory Lacks Bite
October 14, 2008
The hardest substance in your body is your teeth.  The varieties of teeth among vertebrates is astounding, from the tiny incisors in a mole to the bone-crushing scimitars on a T. rex.  Many fossils are known only from their teeth.  One would think teeth are the best-studied objects in evolutionary theory, but a recent paper […]
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Dumb Ideas

A Turtle Missing Link: Are We Missing Something?
October 9, 2008
Everyone knows the iconic drawing of the parade of human evolution (see 09/23/2008 commentary); now, its turtle counterpart is making the rounds.  An article on New Scientist shows the march of progress from lizard to turtle.  The title says, “Fossil reveals how the turtle got its shell.”  Something is missing from the article, though: a […]
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Terrestrial Zoology

Ant What it Used to Be
September 18, 2008
A new species of subterranean ant discovered in Brazil is so weird, biologists have classified it as the sole representative of a new subfamily.  The alien creature has been whimsically named Martialis heureka: “the ant from Mars.”  An article about it in Nature News said, “It adds a new branch to the ant family tree […]
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Amazing Facts

Butterfly Wings Xeroxed
September 6, 2008
If you can’t build it, copy it.  Scientists have had a hard time reconstructing the photonic crystals that make butterfly wings shimmer with light (01/29/2003), so they made, in effect, a carbon copy.  PhysOrg described how scientists at Penn State made impressions of the regularly-spaced geometric shapes from a butterfly wing and transferred it to […]
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Fossils

Fully Gecko 40 Million Years Earlier?
September 3, 2008
Amber, or fossilized tree sap, usually contains remnants of insect parts.  One piece, mined in the jungles of Myanmar, contained the foot of a gecko – alleged to be 100 million years old.  That’s 40 million years older than the previously claimed oldest gecko fossil.  This critter may have skittered under the feet of dinosaurs.  […]
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Amazing Facts

Plant Perfume Manipulates Pollinator Behavior
August 31, 2008
You’re a plant, stuck in the ground.  Around you are organisms with wings flitting freely about.  You need to get them to land on your flowers, but not linger too long.  How do you do it?  Attract them with sweet smells, but send them away with a bitter aftertaste.  That’s how the tobacco plant manipulates […]
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Amazing Facts

Can Worms Outsmart Humans?
July 27, 2008
Worms may seem creepy to some people, but they possess some amazing abilities.  How many of you had to struggle through calculus class, for instance?  Worms know it by heart, reported Greg Soltis at Live Science.  Their brains instinctively apply the logic of calculus to input signals from sensory inputs.  A University of Oregon biologist […]
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Biomimetics

Animal Patterning Keeps Scientists Puzzle-Solving
June 23, 2008
Here’s a fascinating area of research for a budding young scientist: the development of animal patterns.  Look at the dazzling wing patterns on butterflies in an illustration on Science Daily or consider a zebra’s stripes.  How do such patterns emerge from a single fertilized egg?  “Although this has been studied for years,” said a researcher […]
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Amazing Facts

Asian Bees Speak European
June 4, 2008
Asian honeybees and European honeybees went their separate ways millions of years ago, say evolutionists.  Why, then, were Asian bees able to readily learn the European language?  An international team watched this happen.  They ran some affirmative-action integration experiments on the two species, and reported their results today in PLoS One.1     “The honeybee […]
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Birds

An Evaluation of Evolution as an Explanatory Device
June 3, 2008
It is very common for scientists to claim this or that phenomenon “evolved.”  How well do such statements qualify as scientific explanations?  How much scientific heavy lifting is done by merely stating that things are the way they are because they evolved that way?  The following recent examples can be considered representative of the evolutionary […]
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Fossils

Fossil Frog-amander Claimed to Be Missing Link
May 28, 2008
It looks like a frog with four equal legs and a tail; is it the ancestor of frogs and amphibians?  It depends on whether you read the original paper or the popular press.     Live Science writer Jeanna Brynner is absolutely certain this puts a feather in Darwin’s cap: “the creature represents a transitional […]
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