PALAEOBLOG

Evolution. Extinction. Fossilization. (Repeat)

Monday, November 06, 2006

Rhino Horns Explained

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Structure of white rhinoceros ( Ceratotherium simum ) horn investigated by X-ray computed tomography and histology with implications for gro...

Died This Day: Henry Fairfield Osborn

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August 8, 1857 - November 6, 1935 Osborn graduated at Princeton in 1877 and pursued his interest in the biological sciences and paleontology...

Rethinking Archaeopteryx Flight

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Structure and function of hindlimb feathers in Archaeopteryx lithographica . 2006. Nick Longrich. Paleobiology 32: 417–431. Artistic renderi...

Evolution of Genome in Near-Real Time

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Comparative genome sequencing of Escherichia coli allows observation of bacterial evolution on a laboratory timescale . 2006. C. D. Herring ...
Sunday, November 05, 2006

Darwin In The Gobi

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Another stamp sheet that I picked up in Ulaanbaatar. Click the image to enlarge.
Saturday, November 04, 2006

New Elasmosaur Found In Montana

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Our old buddy and fellow U Calgary grad makes the news! Pat Druckenmiller, in the collection room of MSU's Museum of the Rockies, displa...

Ebay Dino Posters

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Atomic Surgery points out that www.emovieposter.com has a lot of dinosaur and related movie posters up for auction this week.

Dinosaur Park Bites The Dust

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Wairarapa, New Zealand is set to lose a $30 million dinosaur theme park originally planned for the Martinborough countryside. Dinosaurs Roc...
Friday, November 03, 2006

Flamingo Oddity

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Cephalic vascular anatomy in flamingos ( Phoenicopterus ruber ) based on novel vascular injection and computed tomographic imaging analyses ...

New Phylum Discovered; Brains Paraphyletic?

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Deuterostome phylogeny reveals monophyletic chordates and the new phylum Xenoturbellida . 2006. Sarah J. Bourlat et al. Nature 444 85-88. Ge...

SVP 2006 Photos

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Do you recognize these characters? I do! The photos were taken by ReBecca Hunt who has a large assortment of pictures from the 2006 Soci...
Thursday, November 02, 2006

The Elephant's Missing Link

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A pig-sized, tusked creature that roamed the earth some 27 million years ago represents a missing link between the oldest known relatives of...

Whay Are There More Species In The Tropics?

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Evolutionary and Ecological Causes of the Latitudinal Diversity Gradient in Hylid Frogs: Treefrog Trees Unearth the Roots of High Tropical D...
Wednesday, November 01, 2006

5 Million Year Old Retrovirus Reanimated

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A team of scientists has reconstructed the DNA sequence of a 5-million-year-old retrovirus and shown that it is able to produce infectious p...
Tuesday, October 31, 2006

Mongolian Stamps

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Here are some Mongolian stamp sheets I picked up last summer. Click on each image to enlarge. Those are Triceratops ? Quite a wacky combina...

Cave Bear Claw Marks

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The bear that left a 3-foot-long claw mark in an Ice Age clay bank was the largest bear species ever to walk the Earth, about 6 feet tall at...
Monday, October 30, 2006

Fossil Footprints Found In Mexico

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A trail of 13 fossilized footprints running through a valley in a desert in northern Mexico could be among the oldest in the Americas, Mexic...
Sunday, October 29, 2006

See Jane. See Jane Come to Cleveland Pt. 1

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Last Wednesday, David Chapman, the CMNH Casting Technician, and I drove up to Beamsville, Ontario to pick up the ‘Jane’ mount that Research ...

See Jane. See Jane Come to Cleveland Pt.2

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Our Wednesday started at 7:30am at the CMNH and David Chapman and I arrived back and unloaded the dinosaur about 9:30pm that evening. Aside...
Friday, October 27, 2006

Lucy Not Coming To the Smithsonian

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The famous fossil of Lucy is scheduled to tour the United States, but one place it won't be on display is the Smithsonian's National...
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Michael J. Ryan, Ph.D.
Adjunct Research Professor, Carleton University, Dept of Earth Sciences
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