Electron-rich metals make ceramics tough to crack

Researchers have discovered a way to make ceramics tougher and more resistant to cracking. By building these materials using a blend of metal atoms possessing more electrons in their outer shell, a team led by engineers at ...

Uncommon wild bee thrives by nesting in old snail shells

McMaster biologists studying the local abundance of a typically uncommon wild native bee have found a clear link between the unusual population spike and the concentration of a non-native snail in the same area.

How much cadmium is contained in cocoa beans?

Cocoa beans can absorb toxic heavy metals such as cadmium from the soil. Some cultivation areas, especially in South America, are polluted with these heavy metals, in some cases considerably. In combining different X-ray ...

Team uncovers new details of SARS-CoV-2 structure

A new study led by Worcester Polytechnic Institute (WPI) brings into sharper focus the structural details of the COVID-19 virus, revealing an elliptical shape that "breathes," or changes shape, as it moves in the body. The ...

Researchers make biodegradable optical components from crab shells

Researchers have developed a process to turn crab shells into a bioplastic that can be used to make optical components known as diffraction gratings. The resulting lightweight, inexpensive gratings are biodegradable and could ...

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