Piranha fish have a powerful bite. Their teeth help them shred through the flesh of their prey or even scrape plants off rocks to supplement their diet.
Evolution
Oct 15, 2019
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179
The teeth of mammals experience constant wear. However, the details of these wear processes are largely unknown. Researchers at the University of Zurich have now demonstrated that the various areas of herbivores' teeth differ ...
Plants & Animals
Oct 9, 2019
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22
An international team of researchers has found the first skeletal remains of Phoebodus—an ancient shark—in the Anti-Atlas Mountains in Morocco. In their paper published in Proceedings of the Royal Society B, the group ...
Piranhas and their herbivorous cousins pacus have distinctive teeth used to tear through tough food. A recent paper by Matthew Kolmann, a postdoctoral fellow in the Columbian College of Arts and Sciences Department of Biological ...
Plants & Animals
Sep 26, 2019
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4
UCLA evolutionary biologist Blaire Van Valkenburgh has spent more than three decades studying the skulls of many species of large carnivores—including wolves, lions and tigers— that lived from 50,000 years ago to the ...
Evolution
Sep 24, 2019
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537
Sea urchins have five teeth, each held by a separate jaw in a circular arrangement at the center of their spiked, spherical bodies. Now, researchers reporting in the journal Matter on September 18 have discovered how the ...
Plants & Animals
Sep 18, 2019
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107
The strength of teeth is told on the scale of millimeters. Porcelain smiles are kind of like ceramics—except that while china plates shatter when smashed against each other, our teeth don't, and it's because they are full ...
Materials Science
Sep 11, 2019
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20
A team of researchers from the Scripps Institution of Oceanography and the University of California has found that ghost crabs have a secondary means of communication—gnashing teeth inside their stomachs when threatened. ...
By analysing the fossilised teeth of some of our most ancient ancestors, a team of scientists led by the universities of Bristol (UK) and Lyon (France) have discovered that the first humans significantly breastfed their infants ...
Archaeology
Aug 29, 2019
1
1004
A common origin shared by teeth and taste buds in a fish that has regenerative abilities has been identified by a team of researchers from the UK and the States. Regulated by the BMP signalling pathway, the results suggest ...
Molecular & Computational biology
Aug 19, 2019
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575
