News tagged with tooth decay

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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 ...

XMM-Newton celebrates decade of discovery

Space & Earth / Space Exploration

Dec 09, 2009 | 5 / 5 (2) | 0

(PhysOrg.com) -- ESA's XMM-Newton X-ray observatory is celebrating its 10th anniversary. During its decade of operation, this remarkable space observatory has supplied new data for every aspect of astronomy. ...

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