From: jgacker@neptune.gsfc.nasa.gov (James G. Acker)
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Date: Thu, 17 Dec 1992 16:45:20 -0500 (EST)
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Date: Thu, 17 Dec 92 16:40:11 -0500
From: jgacker@neptune.gsfc.nasa.gov (James G. Acker)
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To: swf@tools3teradata.com (Stan Friesen)
Subject: Re: DISCOVER EOY Hilites
Newsgroups: talk.origins


You can post this if you want.  My posting slowed way down.

In article <1634@tdat.teradata.COM> you wrote:

: |> 	#7:  "Darwin's Atlas":  Linking of plate tectonics and
: |> evolution.  Loved it!   Why?  Creationists don't like either one!
: 
: Sounds interesting.  I will have to get this issue.

	It's about the Galapagos.  Some Galapagos animals have been
evolving for 10 million years.  The islands are only 3 million years
old!  The animals started on older, now drowned, islands.

	The plate carrying the Galapagos moves, and there are
seamounts similar to the Emperor Seamount chain that "used to be"
Galapagos islands, where the animals used to live.  Amazing nobody
picked this up before!


: |> 	#9-12:  "A Platypus in Patagonia"
: |> 		"Little Bird, Big Find"  New first bird?
: 
: Is this the supposed Triassic bird?
: If so, it is *extremely* questionable.

	No.  It's _Sinornis_, younger than Archaeopteryx.  Apparently
more like a bird than Archy.  Found in China.  (February _Science_).
Archy is 150 m.y. old, Sinornis is 135 m.y. old.

: |> 		"In the Beginning was the Tooth"  Conodont source speculated.
: 
: I thought this was solved?

	Basically the article said that the question of what conodonts
are (teeth) had been settled "at last".  Being teeth, the conodont animal
was the first vertebrate, 515 million years ago.

	This'll pain the Creationists:

	"they [the conodont animal] evolved bony teeth while remaining
otherwise squishy.  Only later did they adapt bone for other purposes,
such as armor or a skeleton.  It's a revolutionary idea, and one that
moves the conodont animals, once an obscure enigma, into the spotlight
of evolution.  "They were probably a trivial part of the ecological
system," says Sansom, "but they were part of the lineage that gave
rise to us."

	So, in between the mud and the mammal, there was a squishy
worm.  How fun!

	Jim Acker
	jgacker@neptune.gsfc.nasa.gov



: -- 
: sarima@teradata.com			(formerly tdatirv!sarima)
:   or
: Stanley.Friesen@ElSegundoCA.ncr.com