Megalodon, the largest shark that ever lived, is known only from its gigantic bladelike teeth, which can be more than 7 inches long. But these teeth, described by some scientists as the "ultimate cutting tools," took millions ...
Archaeology
Mar 4, 2019
0
109
Most reptiles and fish have multiple sets of teeth during their lifetime. However, most mammals, such as humans, have only one set of replacement teeth and some mammals, like mice, have only a single set with no replacement. ...
Biotechnology
Feb 20, 2019
1
67
Adding fluoride to water is common practice in a number of countries, including the U.S., Australia, Brazil, Malaysia, India and Vietnam. In low concentrations (below 1.5 mg/L), it can prevent tooth decay and even strengthen ...
Materials Science
Feb 18, 2019
0
36
Plant phytolith and water content cause differing degrees of tooth enamel abrasion in vertebrates. This is the conclusion reached by an international research team headed by scientists from Johannes Gutenberg University Mainz ...
Archaeology
Jan 14, 2019
0
57
The weight of elephants living in zoos fluctuates over the course of their adult lives in cycles lasting around a hundred months, researchers at the University of Zurich have found. The fluctuation is linked to the particular ...
Plants & Animals
Jan 10, 2019
0
33
It was a prehistoric clash of the ages that didn't end pretty when a monster in the sky clashed with a beast of the deep.
Archaeology
Dec 19, 2018
4
1558
A team led by UC Davis researchers have come up with a new way to estimate the biological sex of human skeletal remains based on protein traces from teeth.
Archaeology
Nov 12, 2018
0
236
A pair of researchers at Flinders University has found evidence that suggests modern kangaroos diversified due to grassland expansion, not drying during the Miocene, as previous studies have shown. In their paper published ...
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
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
