Âé¶¹ÒùÔº

Search results for dentin

Plants & Animals Apr 28, 2022

Huge new ichthyosaur, one of the largest animals ever, uncovered high in the Alps

Paleontologists have discovered sets of fossils representing three new ichthyosaurs that may have been among the largest animals to have ever lived, reports a new paper in the peer-reviewed Journal of Vertebrate Paleontology.

Plants & Animals Mar 2, 2022

Analysis of teeth from Arctic seals reveals Arctic Ocean changes going back to 1950s

Research by University of Liverpool ocean scientists has found that found that food webs in the Barents Sea have been affected by our changing climate since at least the 1950s.

Bio & Medicine Nov 23, 2021

Nanotechnology offers pain relief for tooth sensitivity

In an Australian first, researchers from the University of Queensland have used nanotechnology to develop effective ways to manage tooth sensitivity.

Evolution Nov 10, 2021

Species feared extinct is the only frog with true teeth on its lower jaw

In a new study published in Evolution, biologists laid to rest a century-old debate by confirming that a single species of frog, out of the more than 7,000 living today, has true teeth on its lower jaw. The culprit, a large ...

Evolution Oct 26, 2021

Fossil dental exams reveal how tusks first evolved

A wide variety of animals have tusks, from elephants and walruses to five-pound, guinea pig-looking critters called hyraxes. But one thing tusked animals have in common is that they're all mammals—there are no known fish, ...

Archaeology Oct 25, 2021

Interglobular dentine identified in cremated human teeth

The cremation process destroys a lot of information that can usually be obtained from the human skeleton. Diseases are especially difficult to observe. This has caused a paucity in our knowledge of the disease load in populations ...

Paleontology & Fossils Sep 9, 2021

Prehistoric primates had a sweet tooth: Researchers discover cavities in 54-million-year-old fossils

A new U of T study has discovered the oldest known cavities ever found in a mammal, the likely result of a diet that included eating fruit.

Ecology Jul 5, 2021

Fossil shark scales provide a glimpse of reef predator populations before human impact

Scientists recently made news by using fossil shark scales to reconstruct shark communities from millions of years ago. At the same time, an international team of researchers led by UC Santa Barbara ecologist Erin Dillon ...

Archaeology Jan 12, 2021

Meipu teeth shed light on the human settlement of Asia

María Martinón-Torres and José María Bermúdez de Castro, researchers at the Centro Nacional de Investigación sobre la Evolución Humana (CENIEH), have participated in a study published in the Journal of Human Evolution, ...

Archaeology Dec 16, 2020

Analysis of ancient teeth reveal clues about how sociopolitical systems grow

Scientific analysis of the distinct eating habits of two societies in northern Peru 6,000 years ago has allowed a team of Vanderbilt researchers to draw new conclusions about how complex sociopolitical structures took shape ...

page 4 from 15