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Dumb Ideas

Haeckel Vindicated?  Parathyroid Glands from Gills?
December 7, 2004
“Human gland evolved from gills” trumpeted a BBC News science article without apology.*  It gives uncontested press to a team from King’s College that is claiming the human parathyroid glands evolved from gills.  This is claimed on the basis that they have similar functions (calcium regulation) and are located in the neck region.  Fish have […]
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Dumb Ideas

SETI Researcher Thinks Big: Send Internet Smut to the Aliens
December 5, 2004
Seth Shostak (SETI Institute), in an article on Space.Com, answers the question, “What do you say to an extraterrestrial?”  He said we no longer need to limit ourselves to short messages like “What hath God wrought?”,* the phrase Samuel F. B. Morse sent with the first telegraph.  The bandwidth we have available now is huge, […]
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Origin of Life

Did Life Begin as “Failed Mineralogy” on the Seafloor?
December 3, 2004
A geologist with a lot of bluff and bluster makes the origin of life sound easy, but gets nailed by direct questions.
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Dumb Ideas

Candidates Vie for Stupid Evolution Quote of the Week
November 29, 2004
Contributions for the weekly prize sometimes come in as numerous as contestants at the Boston Marathon.  You can send in your contributions or vote on the following: Evolution as sculptor:  Sid Perkins, in Science News, submitted three entries in an article on penguin evolution: Early in penguin evolution, the bones, especially in the wings and […]
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Dumb Ideas

Middle Earth in Indonesia?  Fossil “Hobbits” Smash Evolutionary Ring
October 27, 2004
Here we go again: another alleged human ancestor fossil that shakes up the evolutionary family tree.  No sooner had Nature1 announced a little 1-meter tall fossil female “hominin” that the discoverers classified as Homo erectus, that the science news media like MSNBC and the BBC flew into action reporting it as “fossil hobbits”  They seem […]
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Dumb Ideas

How Plants Wax Their Leaves
October 27, 2004
Plants have a waxy coating on their leaves, some more and some less, a fact many gardeners may notice without much thought.  A recent paper by two plant biologists in Science1 reveals that even this seemingly ordinary feature comes about only through a complex process in plant cells.  The waxy coating, called the cuticle, is […]
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Amazing Facts

Disembodied Brain Flies Jet Aircraft
October 25, 2004
Researchers at University of Florida claim to have connected rat brains neurons in a dish to electrodes, which learned to run an F22 flight simulator. We can’t speak to the validity of this claim or its interpretation, but what stands out in the article is the awe over the computational abilities of the human brain: […]
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Dumb Ideas

Stupid Evolution Quote of the Week
October 18, 2004
This week’s entry has a little jargon in it, but if you remember what we’ve said about the tRNA synthetase family of proteins (see 05/26/2004, 07/21/2003 and 06/09/2003 headlines), you’ll get it.  Paul Schimmel and Karla Ewalt comment in Cell1 on new discoveries by Sampath et al.2 that two of these synthetases fuse together to […]
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Amazing Facts

Preventing Bird Divorce: Mates Take Different Flights, Arrive Together
October 7, 2004
A shorebird named the black-tailed godwit presents a puzzle to biologists: “arrival synchrony” (leave it to scientists to give big names to simple concepts).  The males and females of this bird mate for life, but like some humans, live apart for months at a time.  This presents two puzzles: how do they stay apart without […]
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Amazing Facts

Biomimetics Dept: Wear a Pine Cone
October 5, 2004
EurekAlert says the British are developing new clothes using pine cone technology.  The fabric automatically adjusts to temperature by opening up or closing down, keeping the wearer comfortable in all environments.  “We’ve drawn upon nature,” said one designer of this “fundamental change in clothing.” Makes you wonder how a pine cone figured this out.  The […]
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Amazing Facts

How Plants Send Email: Update
October 4, 2004
href=”crev07.htm#plant17″>07/13/2001 headline), we reported the startling finding that plants talk to themselves in email.  What’s new in this field?  Is there really an interplant intranet?     In the Oct. 5 issue of Current Biology,1 Norman, Frederick and Sieburth report evidence that a signal molecule named BYPASS1 is sent from the roots to the tips […]
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Amazing Facts

Burnt Bridges, Brownian Ratchets, and Self-Propelled Motors Keep Skin Young Looking
October 1, 2004
Rock climbers and cavers are familiar with mechanical devices called ascenders that enable them to climb ropes safely and easily.  Ascenders slide up the rope in one direction, but latch onto it tightly when pulled the other direction.  Now imagine the ascender by itself, hanging on the rope, in a flurry of winds blowing in […]
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Amazing Facts

Your Eyes Have Automatic Light Meters
October 1, 2004
Every pupil knows that pupils constrict in bright light and dilate in dim light, but how?  Physiologists had assumed the retina signalled the iris muscles, but now it appears there is an independent mechanism in the iris itself, at least in birds, and probably in mammals, too.  A report in EurekAlert summarizes a finding from […]
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Dumb Ideas

Big Pieces Missing in Darwin’s Theory, Says USC Scientist
September 27, 2004
A USC professor of gerontology has “explored a new way to look at aging that directly opposes principles set forth by Darwin in his theory of natural selection,” reports EurekAlert   (Emphasis added in all quotes).  Valter Longo’s theory of aging employs group selection instead of individual selection (see 05/31/2004 headline).  He thinks that in […]
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Dumb Ideas

Name-Calling at the Human Evolution Meeting
September 23, 2004
As predicted earlier this month (see 09/03/2004 commentary), Lucy’s lovers were not going to take her demotion lying down.  Proponents of Orrorin claim their 6 million year old rival walked upright millions of years before the 2-4 million year old australopithecines, and even had a gait more human-like than Lucy.  To Ann Gibbons, reporting in […]
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