Research published this week in Science offers the clearest picture yet of the reverberating consequences of land mammal declines on food webs over the past 130,000 years.
Evolution
Aug 25, 2022
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743
The CENIEH has been participating in a comparative research about human teeth discovered in this Southern China site which has revealed that Tongzi's teeth do not fit the morphological pattern of traditional Homo erectus.
Archaeology
Apr 4, 2019
1
46
Combine a diet high in sugar with poor oral hygiene habits and dental cavities, or caries, will likely result. The sugar triggers the formation of an acidic biofilm, known as plaque, on the teeth, eroding the surface. Early ...
Bio & Medicine
Jul 31, 2018
3
163
An 8-year-old boy made a prehistoric discovery this month by finding a giant tooth believed to be from the long-extinct angustidens—a megatooth shark species.
Paleontology & Fossils
Aug 23, 2022
0
25
In an advance toward solving a 50-year-old mystery, scientists are reporting new evidence on how the fluoride in drinking water, toothpastes, mouth rinses and other oral-care products prevents tooth decay. Their report appears ...
Biochemistry
May 1, 2013
2
3
There was a time when the laughter of Stone Age children filled the Sibudu Cave. About 64 000 years ago, a child was part of a hunter-gatherer family that took temporary shelter in this cave, which lies close to the KwaZulu-Natal ...
Archaeology
Jul 25, 2019
0
343
(PhysOrg.com) -- A prosthodontist from Egypt is helping Lehigh researchers develop bioactive glass that mimics the behavior of living tissue.
Materials Science
Apr 13, 2010
0
0
A report in the journal Current Biology on July 9 offers a detailed description of the first nearly complete skeleton of an extinct large dolphin, discovered in what is now South Carolina. The 15-foot-long dolphin (Ankylorhiza ...
Archaeology
Jul 9, 2020
0
721
A root canal ranks high on most people's list of dreaded dental procedures. Although the lengthy and sometimes painful surgery relieves the agony of an infection, a root canal results in a dead tooth with no living soft tissue, ...
Materials Science
Aug 22, 2018
0
423
A small team of oceanographers affiliated with several institutions in the U.S., working with a zoologist from the SNSB-Bavarian State Collection of Zoology, in Germany, has documented the first in situ discovery of a fossilized ...
