News tagged with human teeth
Ongoing evolution among modern humans
(PhysOrg.com) -- It has long been the common perception that once modern humans appeared more than 50,000 years ago, little has changed in human biology.
Jan 05, 2010 |
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Trapped dental 'calculus' holds clues to ancient human diets and health
Many ancient human teeth, including specimens tens of thousands of years old, still hold onto tiny pieces of food -- and even bacteria. Anthropologists are studying the tartar attached to ancient human teeth ...
Other Sciences / Archaeology & Fossils
14 hours ago |
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Homo sapiens arrived in Europe earlier than previously believed
Members of our species (Homo sapiens) arrived in Europe several millennia earlier than previously thought. At this conclusion a team of researchers, led by the Department of Anthropology, University of Vie ...
Other Sciences / Archaeology & Fossils
Nov 02, 2011 |
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New research suggests right-handedness prevailed 500,000 years ago
(PhysOrg.com) -- Research by University of Kansas professor David Frayer shows that distinctive markings on fossilized teeth correlate to the right or left-handedness of individual prehistoric humans.
Other Sciences / Archaeology & Fossils
Apr 19, 2011 |
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If these teeth could talk: What was really on the menus of our ancestors?
For human ancestors, eating could be hard work.
Other Sciences / Archaeology & Fossils
Apr 18, 2011 |
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Researchers Crack the Mystery of Resilient Teeth
(PhysOrg.com) -- After years of biting and chewing, how are human teeth able to remain intact and functional? A team of researchers from The George Washington University and other international scholars have ...
Medicine & Health / Medical research
Apr 17, 2009 |
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Nanocrystals make dentures shine
German chemists succeeded in producing a new kind of glass-ceramic with a nanocrystalline structure, which seems to be well suited to be used in dentistry due to their high strength and its optical characteristics. ...
Jan 05, 2012 |
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Endangered orangutans offer a new evolutionary model for early humans
Starving orangutans in Borneo may be teaching us new lessons about human evolution.
Dec 13, 2011 |
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New evidence for the earliest modern humans in Europe
The timing, process and archeology of the peopling of Europe by early modern humans have been actively debated for more than a century. Reassessment of the anatomy and dating of a fragmentary upper jaw with ...
Other Sciences / Archaeology & Fossils
Nov 02, 2011 |
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Two-million-year-old evidence shows tool-making hominins inhabited grassland environments
In an article published in the open-access, peer-reviewed journal PLoS ONE on October 21, 2009, Dr Thomas Plummer of Queens College at the City University of New York, Dr Richard Potts of the Smithsonian Institution Nation ...
Other Sciences / Archaeology & Fossils
Oct 21, 2009 |
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Home tooth bleaching slightly reduces enamel strength
New research shows that human teeth lost some enamel hardness after the application of several different products used in the home to whiten teeth. The study suggests that future generations of such products might be reformulated ...
Apr 14, 2009 |
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Researcher cuts teeth in new method
University of Alberta researcher Nicole Burt took up an odd moonlighting job to further her research. She became a surrogate tooth fairy.
Apr 06, 2012 |
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Under the microscope #15 - Elephant fish embryo
Dr Andrew Gillis shows us an embryonic skate head and explains how the red denticles dotted all over it have very similar properties to human teeth.
Mar 13, 2012 |
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From human bite to robot jaws
The UK spends around £2.5 billion each year on dental materials to replace or strengthen teeth. The Chewing Robot is a new biologically inspired way to test dental materials and it will be shown to the public ...
Jun 30, 2009 |
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