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Search results for dentin

Other Oct 1, 2012

Determining toothpaste abrasion

There are various types of toothpaste available on the market. They come as pastes and gels, there are some that guard against tooth decay or protect teeth from acid attack, others that are designed for sensitive teeth. But ...

Plants & Animals Sep 20, 2012

Blind cavefish use teeth to find their way, research shows

(Âé¶¹ÒùÔº)—In a single cave in Ecuador, a species of cavefish has evolved to do something perhaps unique to them, navigate with their teeth.

Archaeology Sep 19, 2012

Ancient tooth may provide evidence of early human dentistry

Researchers may have uncovered new evidence of ancient dentistry in the form of a 6,500-year-old human jaw bone with a tooth showing traces of beeswax filling, as reported Sep. 19 in the open access journal PLOS ONE.

Archaeology Aug 15, 2012

Age of fossil teeth from Longgupo Cave determined with combined ESR/U-series

A Sino-France research team reported preliminary dating results of seven herbivorous fossil teeth from different archaeological layers of the lowest geological unit (C III) of Longgupo Cave site, Wushan County, Chongqing, ...

Plants & Animals Jul 27, 2012

Researchers find shark teeth made of natural fluoride

(Âé¶¹ÒùÔº) -- German researchers studying shark teeth have found at least two species that have fluorinated calcium phosphate - mineral fluoroapatite, as a main component, one of the main ingredients in toothpaste, which ...

Archaeology May 28, 2012

Prehistoric cold case links humans to Tasmanian megafauna extinctions

A team of Australian and New Zealand researchers have discovered fresh evidence that could finally unravel the mystery of what killed Tasmania's giant marsupials over 40,000 years ago.

Plants & Animals May 21, 2012

A crowning success for crayfish

Nature sometimes copies its own particularly successful developments. A team of scientists from the Max Planck Institute of Colloids and Interfaces in Potsdam and the Ben-Gurion University at Beer-Sheva in Israel has now ...

Plants & Animals Mar 13, 2012

Looking a trophy buck in the mouth

Researchers at the Texas AgriLife Research and Extension Center in Uvalde have developed a more accurate technique than traditional methods for estimating the age of white-tailed bucks, said a Texas AgriLife Research scientist ...

Materials Science Feb 9, 2012

Engineers find inspiration for new materials in Piranha-proof armor

(Âé¶¹ÒùÔºOrg.com) -- It’s a matchup worthy of a late-night cable movie: put a school of starving piranha and a 300-pound fish together, and who comes out the winner?

Archaeology Jun 23, 2011

Body temperatures of dinosaurs measured for the first time

(Âé¶¹ÒùÔºOrg.com) -- Were dinosaurs slow and lumbering, or quick and agile? It depends largely on whether they were cold or warm blooded. When dinosaurs were first discovered in the mid-19th century, paleontologists thought they ...

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