(PhysOrg.com) -- The tiny teeth of a long-extinct vertebrate – with tips only two micrometres across: one twentieth the width of a human hair – are the sharpest dental structures ever measured, new ...

Other Sciences - Archaeology & Fossils

Mar 14, 2012 4 / 5 (2) 1 |

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.

Biology - Other

Mar 13, 2012 not rated yet 0

The Burgess Shale of British Columbia is arguably the most important fossil deposit in the world, providing an astounding record of the Cambrian "Explosion," the rapid flowering of complex life from single-celled ancestors. ...

Space & Earth - Earth Sciences

Mar 07, 2012 5 / 5 (2) 1

New research from the University suggests that many of the common orthodontic problems experienced by people in industrialised nations is due to their soft modern diet causing the jaw to grow too short and small relative ...

Biology - Other

Mar 07, 2012 not rated yet 0

Using a combination of guillotine-based experiments and cutting-edge computer modelling, researchers at the University of Bristol have explored the most efficient ways for teeth to slice food. Their results, ...

Biology - Other

Mar 06, 2012 5 / 5 (1) 1

Pleistocene Gigantopithecus blacki is the largest species of all extinct and extant primates. Its diet, distribution and evolution remained unclear. According to a paper in press in the journal of Quaternary In ...

Other Sciences - Archaeology & Fossils

Feb 29, 2012 5 / 5 (2) 0

One of the most prominent features of life-size, museum models of Tyrannosaurus rex, is its fearsome array of flesh-ripping, bone-crushing teeth.

Other Sciences - Archaeology & Fossils

Feb 28, 2012 4 / 5 (3) 0

Periodicity of Retzius lines of primates is a key factor in dental development, and provides information on classification, evolution and adaptation of hominoids in different times and areas. Paleoanthropologists ...

Other Sciences - Archaeology & Fossils

Feb 27, 2012 5 / 5 (1) 0

(PhysOrg.com) -- 66 million years ago, the fearsome, meat-eating dinosaur Majungasaurus crenatissimus prowled the semi-arid lowlands of Madagascar. Its powerful jaws bristled with bladelike teeth, and its st ...

Other Sciences - Archaeology & Fossils

Jan 11, 2012 3.8 / 5 (4) 3 |

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. ...

Chemistry - Materials Science

Jan 05, 2012 5 / 5 (1) 0

Drs. JIANG Shunxing and WANG Xiaolin from Institute of Vertebrate Paleontology and Paleoanthropology (IVPP), Chinese Academy of Sciences, described a new ctenochasmatid pterosaur, Pterofiltus qiui gen. et ...

Other Sciences - Archaeology & Fossils

Dec 16, 2011 4.5 / 5 (2) 0

Starving orangutans in Borneo may be teaching us new lessons about human evolution.

Biology - Evolution

Dec 13, 2011 4 / 5 (1) 1

A species of ancient predator with saw-like teeth, sleek bodies and a voracious appetite for meat survived a major extinction at a time when the distant relatives of mammals ruled the earth.

Other Sciences - Archaeology & Fossils

Dec 06, 2011 3.8 / 5 (12) 0 |

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 5 / 5 (1) 0

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 4.4 / 5 (10) 0 |