PALAEOBLOG

Evolution. Extinction. Fossilization. (Repeat)

Sunday, April 08, 2007

“Big Dog! Big Dog! Bow Wow Wow!”

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A Single IGF1 Allele Is a Major Determinant of Small Size in Dogs . 2007. N.B. Sutter, et al. Science 316: 112-115. Scientists have identif...
Saturday, April 07, 2007

Knut Schmidt-Nielsen 1915 – 2007

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I missed the fact that Knut Schmidt-Nielsen passed away a few months ago. Every zoologist working today owes him a great debt, and as unde...

Born This Day: Kenneth (Page) Oakley

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April 7, 1911 - November 2, 1981 From Today in Science History : Oakley was an English physical anthropologist , geologist, and paleontologi...
Friday, April 06, 2007

Born This Day: James Watson

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From Today In Science History : Watson was born on this day in 1928. An American geneticist and biophysicist, he shared the 1962 Nobel Prize...

On This Day: AMNH Created

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In 1869, the American Museum of Natural History in New York City was officially created with the signing of a bill by the Governor of New ...

Congratulations to Dr. David Evans!

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David successfully defended his Ph.D. dissertation yesterday at the University of Toronto. Things will slow down at the blog for the Easter ...
Wednesday, April 04, 2007

Hagfishes & Evolution

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Hagfish embryology with reference to the evolution of the neural crest . 2007. K.G. Ota, et al. Nature 446: 672-675. Abstract: Hagfish, whic...

3.2 Billion-Year-Old Earth Had Strong Magnetic Field

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Geomagnetic field strength 3.2 billion years ago recorded by single silicate crystals . 2007. JA Tarduno, et al. Nature 446: 657-660. From t...

Doushantuo Embryos, Again

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Doushantuo embryos preserved inside diapause egg cysts . 2007. L. Yin, et al. Nature 446: 661-663. Abstract: Phosphatized microfossils in th...
Tuesday, April 03, 2007

Born This Day: Ralph A. Bagnold

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April 3, 1896 - May 28, 1990 From the always excellent Today in Science History : English geologist who was a leading authority on the mecha...

Vertebrate Evolution: Humans Closer To Sharks Than Teleost Fish

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Survey sequencing and comparative analysis of the elephant shark ( Callorhinchus milii ) genome . 2007. B. Venkatesh, et al. PLoS Biol 5(4):...
Monday, April 02, 2007

See Jane. Read Jane.

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The Discovery And Mystery of a Dinosaur Named Jane by Judith Williams. A plug for my friend Judy’s new book on ‘Jane’ the tyrannosaur. Wr...

Another Kong Cartoon

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Art © Steve Hickman One more Kong cartoon via our friends at Atomic Surgery .
Saturday, March 31, 2007

Chinook Center T. rex Albertosaurus

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Photos © M. Ryan While I was in Calgary recently I stopped into the Chinook Mall on the south side to photograph this T. rex made out of ju...
Friday, March 30, 2007

Fish Feet

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© Larry Gonick Reader Sarda Sahney has a fun blog called FISH FEET that is worth visiting. Apparently Sarda is presently on a mysterious t...

Floral Gigantism Strikes Back

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Floral Gigantism in Rafflesiaceae . 2007. C. C. Davis, et al. Science 315: 1812 link Abstract: Species of Rafflesiaceae possess the world...

Mammoths With Hollow Feet

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All photos © Kipling West While I was in Calgary last week I had the pleasure of meeting up with two of the 7 Deadly Sinners , Tom Bagley a...

Classification of Geological Eras

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In 1759, Italian geologist Giovanni Arduino (1714-1795) dated a letter to Professor A.Vallisneri the younger, in which Arduino proposed a c...
Thursday, March 29, 2007

The Golden Age of Dino Discoveries

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From BBC News : Peter Dodson & Steve Wang created a computer model that came up with an astonishing prediction-- it estimated that the m...

Dead Dinos ≠ More Mammals

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The delayed rise of present-day mammals . 2007. O. R. P. Bininda-Emonds, et al. Nature 446: 507-512. Abstract: Did the end-Cretaceous mass ...
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Michael J. Ryan, Ph.D.
Adjunct Research Professor, Carleton University, Dept of Earth Sciences
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