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Dumb Ideas

Much Ado About Nothing
March 12, 2004
How much can you say about nothing?  Some people can say quite a lot.  One astrobiologist just wrote a large book about it: Lonely Planets: The Natural Philosophy of Alien Life by David Grinspoon (Harper Collins, 2003).     Larry R. Nittler reviewed this new book in the March 12 issue of Science.1  Nittler describes […]
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Intelligent Design

How to Get a Genetic Code by Chance
February 19, 2004
The Feb. 17 issue of Current Biology1 has a Q&A magazine feature on the genetic code.  After dismissing some myths about it being universal, consisting of only 20 amino acids and obligated to only three codons (there are some minor exceptions to these mostly-true principles: see 04/30/2003), the authors tackle the big question: where did […]
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Intelligent Design

Scientists Probe Differences Between Living and Nonliving Chemicals
February 15, 2004
“All life forms are composed of molecules that are not themselves alive.  But in what ways do living and nonliving matter differ?  How could a primitive life form arise from a collection of nonliving molecules?”  Any article beginning with questions like that is bound to be interesting.  That’s how Rasmussen et al. tantalized readers of […]
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Dumb Ideas

Comets as Cosmic Storks
February 10, 2004
Chandra Wickramasinghe and colleagues at Cardiff University have raised the bar on tale-telling ability.  They believe that comets splatting on earth can carry away germs of life that gradually spread farther and farther out, eventually escaping the sun’s pull.  Over time, they might spread life to other worlds.  They estimate that since the origin of […]
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Dumb Ideas

Proof of Life in Martian Meteorite Alleged – Again
January 30, 2004
Some Aussies are trying to scoop the Mars prize, it seems from a headline in the down-under Daily Telegraph.  While two American rovers are busily sniffing about for evidence of water (as a prerequisite for life) on opposite sides of the surface of Mars, the Australians are saying, “No worries, mate,” they already found Martian […]
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Origin of Life

Early Oxygen Causes Evolutionary Gasps
January 24, 2004
The rise of oxygen in the primitive Earth’s atmosphere has been pushed back 100 million more years, according to Sid Perkins writing for the Jan. 24 issue of Science News.  This is based on studies of sediments in South Africa.  Though estimated at just a millionth of today’s concentrations, the finding comes as a surprise.  […]
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Dumb Ideas

Did Borax Evolve Into 20-Mule Teams?
January 9, 2004
You’re dating yourself if you remember the old TV western Death Valley Days, and its commercials about 20-Mule Team Borax.  (Mule teams actually did pull loads of borax from Death Valley to Mojave, quite a feat in those days, but that’s another story.)  In modern times, though, borax has made science news as a possible […]
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Origin of Life

Must Life Drink Water?
December 30, 2003
Star Trek used to portray aliens made up of different stuff than the carbon and water chemistry which comprises Earth-based life.  For years, most scientists who considered the possibility of life in space, including Carl Sagan and Stanley Miller, admitted, somewhat reluctantly, that the periodic table of the elements admits no practical alternatives to water […]
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Dumb Ideas

Photosynthesis Began a Billion Years Earlier Than Thought
December 17, 2003
According to the BBC News, some scientists have pushed back the evolution of photosynthesis a billion years earlier than previously believed, to 3.9 billion years ago.  This is based on uranium-thorium ratios of rocks in Greenland that led Danish researchers to conclude that they were deposited under oxidizing conditions.  Others are not sure the data […]
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Origin of Life

Wet-Marsers Win, But Life Unlikely
December 20, 2002
The discovery of evidence for past water on Mars made Science magazine’s Breakthrough of the Year.1  Most recently, the Spirit rover found goethite, an iron oxide that forms most readily in water, announced a JPL press release Dec. 13.  Although Richard A. Kerr at Science feels this second discovery on the opposite side of Mars […]
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Origin of Life

Miller-Frankenstein Ghost Rises from the Dead
October 20, 2002
51; Stanley Miller died last year, but his friendly ghost lives on.  Famous for his Halloweenish spark-discharge apparatus that brought naturalism to life, Miller subsequently began to doubt the simplistic “primordial soup” vision that took on a life of its own, making apparitions in many a textbook.  He realized that improbably atmospheric conditions—a reducing atmosphere […]
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Cell Biology

Stupid Evolution Quote of the Week:  Let Darwin Take Over
August 20, 2002
Jack Szostak (Harvard Medical Center) wins this week’s prize for a comment in an Associated Press article (see PhysOrg) claiming that scientists will create life in a test tube within 10 years.  Szostak was explaining the process of creating a cell membrane to the reporter: His idea is that once the container is made, if […]
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Dumb Ideas

Darwin Propagandist Reveals Too Much
February 20, 2002
You can’t always tell a chocolate by its coating.  Similarly, a positivistic, pro-evolution article might have surprises inside.     “Billions of years of evolution have produced organisms of stunning diversity,” begins E�rs Szathm�ry in the Feb. 17 issue of Current Biology,1 with vintage Darwinian confidence.  A theoretician at heart, Szathm�ry explores the evolutionary transitions […]
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