News tagged with teeth
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Fossils shake dinosaur family tree
Other Sciences / Archaeology & Fossils
22 hours ago |
5 / 5 (5) |
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(PhysOrg.com) -- Paleontologists have unearthed a previously unknown meat-eating dinosaur in New Mexico, settling a debate about early dinosaur evolution, revealing a period of explosive diversification and ...
Earliest toothless bird found
Other Sciences / Archaeology & Fossils
Dec 10, 2009 |
4.8 / 5 (5) |
0
(PhysOrg.com) -- A new species of bird from the Cretaceous period in China has been identified. It had toothless upper and lower jaws, and provides significant information on the diversification in the evolution ...
Older dental fillings contain form of mercury unlikely to be toxic
Dec 09, 2009 |
not rated yet |
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A new study on the surface chemistry of silver-colored, mercury-based dental fillings suggests that the surface forms of mercury may be less toxic than previously thought. It appears online in ACS' journal ...
New technology helps scientists understand ancient fossils
Other Sciences / Archaeology & Fossils
Dec 07, 2009 |
5 / 5 (1) |
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Some of the world's oldest human bones and other ancient relics are studied here using some of the world's newest technologies.
Study shows nearly 1/3 of human genome is involved in gingivitis
Dec 07, 2009 |
4.8 / 5 (4) |
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Gingivitis, which may affect more than one-half of the U.S. adult population, is a condition commonly attributed to lapses in simple oral hygiene habits. However, a new study shows that development and reversal of gingivitis ...
Nature's fine designs: Scientists find modern lessons in ancient creations
Dec 04, 2009 |
4.5 / 5 (4) |
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(PhysOrg.com) -- Nature and its bottom-up processes for creating robust and responsive materials are inspiring new generations of synthetic materials and creative design.
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