Search results for enamel coating

Plants & Animals Feb 4, 2026

Grazing and digging put some herbivores at greater risk from toxic elements in soil: New research

If you've watched a giraffe browsing in the tree canopy, a white rhino meandering across open grassland, or a warthog shuffling around on its knees in South Africa's Kalahari desert, you know what they eat: leaves, grass, ...

Materials Science Aug 7, 2025

Nature's hardest teeth: Chitons offer blueprint for advanced dental and industrial materials

Researchers at the University of California, Irvine and Japan's Okayama and Toho universities have conducted a first-of-its-kind study to understand how chitons, mollusks that feed on algae growing on intertidal rocks, develop ...

Materials Science Dec 19, 2024

By looking at individual atoms in tooth enamel, researchers are learning what happens to our teeth as we age

Teeth are essential for helping people break down the food they eat, and are protected by enamel, which helps them withstand the large amount of stress they experience as people chew away. Unlike other materials in the body, ...

Plants & Animals Aug 7, 2024

Social rank may determine if animals live fast, die young

Anyone who has picnicked on the beach has experienced the unpleasant crunch of a sandwich with a surprise helping of sand. But for primates, the tolerance for sand may depend on whether their energy is better spent reproducing ...

Plants & Animals Jul 27, 2024

Komodo dragons have iron-coated teeth to rip apart their prey, researchers find

Scientists have discovered that the serrated edges of Komodo dragons' teeth are tipped with iron. Led by researchers from King's College London, the study gives new insight into how Komodo dragons keep their teeth razor-sharp ...

Plants & Animals Jul 24, 2024

Komodo dragons have teeth coated in iron to kill prey, study finds

The fearsome Komodo dragon, native to Indonesia and the world's largest living lizard, has a coat of iron on its razor-like teeth to help it kill its prey, scientists found in a study published Wednesday.

Nanomaterials Apr 17, 2024

Study finds iron-rich enamel protects, but doesn't color, rodents' orange-brown incisors

Chattering squirrels, charming coypus, and tail-slapping beavers—along with some other rodents—have orange-brown front teeth. Researchers have published high-resolution images of rodent incisors in ACS Nano, providing an ...

Nanomaterials Dec 12, 2023

A new microfabrication strategy for multifunctional 3D artificial sharkskin

Sharks in nature swim at high speeds in a deep ocean due to their high drag reduction ability. Water flows around the sharkskin become disrupted by staggered and overlapping microscale structures named denticles. In addition ...

Biochemistry Mar 14, 2022

Cracking under pressure: What teeth can teach us about modern materials

As unlikely as it sounds, a simple tooth could play a significant role in the world's clean energy future.

Nanomaterials Feb 7, 2022

Researchers create strong synthetic enamel similar to natural tooth covering

A team of researchers from Beihang University, the Peking University School and Hospital of Stomatology and the Michigan Institute of Translational Nanotechnology has developed a synthetic enamel with properties similar to ...

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