BIRMINGHAM, England, Sept. 16 (UPI) --Researchers have developed sub-micron silica particles that can be used to deliver compounds to restore damage to teeth and protect them from future damage. The ...

A class of ultrasmall fluorescent core-shell silica nanoparticles developed at Cornell is showing an unexpected ability to ...

New Stanford University research has revealed that the mineral silica, a common food additive and popular cosmetics ingredient, is not a chemically inert substance, as has long been supposed. As ...

Scientists are searching far and wide for new tools in the battle against rising obesity rates, and lately a promising candidate has emerged from piles of purified sand. A new study has bolstered the ...

It is well-known that airborne carcinogens cause various lung and kidney diseases and liver problems, and prolonged exposure can even result in various cancers. Silica exposure remains a serious ...

Engineered stone high in crystalline silica, which can damage the lungs when inhaled, has faced growing scrutiny as countertop cutters have grown ill and died from silicosis. Some companies that make ...

Amorphous silica is a common mineral used in the manufacturing of products ranging from toothpaste to semiconductors. Though it has generally been considered safe, new research in rats demonstrates ...

The oxygenation of Earth's atmosphere was thanks, in part, to iron and silica particles in ancient seawater, according to a new study by geomicrobiologists. But these results solve only part of this ...

The fact that like charges repel and opposites attract is basic electromagnetism. But for decades scientists have occasionally made a counterintuitive, and controversial, observation: similarly ...