From ocean to land: The fishy origins of our hips
Australopithecus sediba hominin: New study reveals how human ancestor walked, chewed, and moved
A team of scientists has pieced together how the hominid Australopithecus sediba (Au. sediba) walked, chewed, and moved nearly two million years ago. Their research, which appears in six papers in the latest ...
Apr 11, 2013
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A new thalattosaur found from the Upper Triassic of Guanling, Guizhou, China
Thalattosaurs, literally meaning "ocean lizard", are a group of prehistoric marine reptiles living during the Triassic Period in North America and Eurasia. They bore a superficial resemblance to lizards, ...
Apr 01, 2013
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Scientists reassemble the backbone of life with a particle acceleratorynchrotron X-rays
Scientists have been able to reconstruct, for the first time, the intricate three-dimensional structure of the backbone of early tetrapods, the earliest four-legged animals. High-energy X-rays and a new data ...
Jan 13, 2013
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Accelerating the tempo of the segmentation clock by reducing the number of introns in the Hes7 gene
Somites, precursors for the segmental structures such as the vertebral column, ribs and skeletal muscles, form periodically by segmentation of the rostral parts of the presomitic mesoderm (PSM). This periodic ...
Jan 09, 2013
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Sync to grow: Oscillation of gene activity may underlie how embryos grow in proportion
(Phys.org)—From a single-cell egg to a fully functional body: as embryos develop and grow, they must form organs that are in proportion to the overall size of the embryo. The exact mechanism underlying ...
Dec 20, 2012
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New Scaphognathid Pterosaur found from Western Liaoning, China
The research of Chinese pterosaurs has made remarkable contributions to the study of those flying reptiles. Most specimens were unearthed from the Yixian and Jiufotang formations of western Liaoning, China. ...
Mar 02, 2012
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Study shows that modern surgery for scoliosis has good long-term outcomes
Teenagers who undergo spine fusion for scoliosis using the newest surgical techniques can expect to be doing well 10 years after surgery, according to a Hospital for Special Surgery study published online ...
Apr 05, 2011
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The first single-fingered dinosaur
(PhysOrg.com) -- A new species of parrot-sized dinosaur, the first discovered with only one finger, has been unearthed in Inner Mongolia, China.
Jan 24, 2011
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When vertebrae cross dress: How sloths got their long neck (w/ Video)
(PhysOrg.com) -- By examining the development of bones in the vertebral column, limbs, and ribcage, scientists at the University of Cambridge have discovered how sloths evolved their unique neck skeleton.
Oct 18, 2010
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The mystery of symmetry is revealed
(PhysOrg.com) -- Some of our organs, such as the liver and the heart, are lateralised. As our bodies develop they mostly display bilateral symmetry across the vertebral column.
Feb 19, 2010
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