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La Brea Tar Pits Trap Scientists

Sid Perkins of Science News dropped in at La Brea Tar Pits in Los Angeles, and got stuck, not in tar, but in the sticky evolutionary interpretations of these world-famous fossil deposits.  This fossil bed, right in one of the ritziest parts of Los Angeles (adjacent to the County Art Museum), Perkins whimsically calls “L.A.’s […]

Fossil Worm: Does It Help Solve Cambrian Explosion Puzzle?

A soft embryo of a Cambrian worm, exquisitely preserved, makes Graham Budd (U. of Uppsala, Sweden) ask some hard questions about it and other recently-discovered embryo fossils in the Jan. 15 issue of Nature:1 These fossils raise several questions, to say the least.  First, how could they possibly be preserved?  Second, why are they concentrated […]

Chinese Puzzle: New Primate Fossil Raises Eyebrows

A new fossil primate skull from China, alleged to be 55 million years old, provides “much-needed substantial evidence of early primates in Asia,” says Robert Martin (Field Museum, Chicago), reporting in the Jan. 1 issue of Nature.1  But “interpretation of the creature’s eye size and activity pattern,” he says, “will spark debate.”  (This is code […]

Despite New Fossil, Origin of Marsupials Still Puzzles Evolutionists

Although the earliest known marsupial has just been found in China1, Richard L. Cifelli and Brian M. Davis, writing in the Dec. 12 issue of Science2 consider the phylogenetic trees of marsupial and placental mammals conflicting and puzzling.  Problems include (emphasis added): Switcheroo:  Fossil marsupials are predominately found in North America, but living ones are […]

New Record-Setting Living Fossil Flabbergasts Scientists

A remarkably-detailed fossil ostracode, a type of crustacean, has been announced in the Dec. 5 issue of Science1 that is blowing the socks off its discoverers.  Erik Stokstad in a review of the discovery in the same issue2 explains its significance in the evolutionary picture of prehistory: Over the past half-billion years, evolution has dished […]

Got That?  The Complex Story of African Mammal Evolution

The article by Jean-Jacques Jaeger in the Dec. 4 issue of Nature1 is pretty upbeat about the evolutionary history of African mammals, but takes a bit of untangling to follow.     He begins confidently, “For some 40 million years, the Afro-Arabian landmass existed in splendid isolation.  A newly described fossil fauna from the end […]

Fossil Fingers Fuddle Phylogeny

Another fossil complicates the evolutionists’ picture of tetrapod origins (see Aug 9 headline).  Chinese paleontologists have reported1 a new marine reptile from Triassic strata (242 million years old, more or less).  Unexpectedly, it has extra digits (a condition called polydactyly) just like the putative ancestors of tetrapods from the earlier Devonian strata (370-354 million years […]

Dinosaur Family Tracks Discovered

A set of dinosaur tracks of different sizes pointing in the same direction has been found on the Isle of Skye, reports the BBC News.  It seems to indicate one adult and 10 juveniles, all of the same species, were moving together.  To Neil Clark, curator of the Glasgow Museum, these tracks tell a story […]

Evolution As Assumption

51; Reasoning requires premises: axioms or truths taken for granted.  Notice the premise of reasoning stated in a recent article on Science Daily: “Because all living organisms inherit their genomes from ancestral genomes, computational biologists at MIT reasoned that they could use modern-day genomes to reconstruct the evolution of ancient microbes.”  They used an evolutionary […]

How Bambi Gave Rise to Moby Dick

The title of this entry, in Kipling Just-So Story format, is only slightly modified from an article from The Guardian, titled, “How Bambi evolved into Moby-Dick.”  This is not a joke; check on the link and see.     The article is about the latest fossil claimed to be ancestral to whales.  Hans Thewissen (Northeastern […]

Another Tetrapod Ancestor Claimed

Maybe the Aussies want their share of missing link notoriety; an unusual fish with bony fins has been discovered in western Australia, reported in Nature.1  The bigger the splash a missing link makes for reporters, the better.  The story on Science Daily said, “A fossil fish discovered in the West Australian Kimberley has been identified […]

Press Goes Ape Over Baby Lucy

The news media, especially National Geographic, BBC News, and Associated Press (see Fox News) have new fodder for human-evolution stories and artwork, now that a partial skeleton of Australopithecus afarensis has been reported in Nature.1  The teeth, cranium, shoulder blades, fingers, inner ear, hyoid bone and other well-preserved parts match “typical African ape morphology.”  This […]

Farewell, Cannibal Dino

Whoops, We Were Wrong Dept.:  Fossils of Coelophysis found in 1947 included members of the same species in the stomach, so they were cannibals, right?  Not so fast, corrects an article in BBC News.  The food now looks more like filet of crocodile.  After re-examining the evidence, researchers from Columbia University and the American Museum […]

Dmanisi Homo erectus Fossil Count Grows

More bones matching the skulls from the purported Eurasian Homo erectus skulls in Dmanisi, Republic of Georgia have been found (for background, see 08/31/2005 bullet 5, 03/20/2005, 08/01/2002, 11/29/2002).  The find was reported in Nature1 with commentary by Daniel Lieberman in the same issue.2     The bones, including ribs, leg bones and arm bones, […]

Waltzing with Dinosaurs

51; An international team of paleontologists wrote a kind of “State of the Tyrannosaur Address” in Science last week,1 boasting about all that is known of these creatures: Tyrannosaurs, the group of dinosaurian carnivores that includes Tyrannosaurus rex and its closest relatives, are icons of prehistory.  They are also the most intensively studied extinct dinosaurs, […]
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