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2010-12-15 15:56:37

In a study that the authors describe as lending credence to the idiom, "by the skin of your teeth," scientists are reporting that the protective shield fluoride forms on teeth is up to 100 times thinner than previously believed. It raises questions about how this renowned cavity-fighter really works and could lead to better ways of protecting teeth from decay, the scientists suggest. Their study appears in ACS' journal Langmuir. Frank Mller and colleagues point out that tooth decay is a major...

2010-12-09 20:20:01

Sourav Saha's molecular sensor could protect people from a potential carcinogen Used in the proper amounts, it can make teeth stronger and aid in the treatment of osteoporosis. When excessive amounts are consumed, however, it can be a killer "” a carcinogen that causes bone, lung and bladder cancers. The "it" is fluoride, a common additive in most American communities' drinking water and an ingredient in the vast majority of commercially produced adult toothpastes. Determining the level...

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2010-07-21 12:25:00

That dry, dusty moon overhead? Seems it isn't quite as dry as it's long been thought to be. Although you won't find oceans, lakes, or even a shallow puddle on its surface, a team of geologists at the California Institute of Technology (Caltech), working with colleagues at the University of Tennessee, has found structurally bound hydroxyl groups (i.e., water) in a mineral in a lunar rock returned to Earth by the Apollo program. Their findings are detailed in this week's issue of the journal...

2008-07-28 09:01:20

SASKATOON, SASKATCHEWAN--(Marketwire - July 28, 2008) - Great Western Minerals Group Ltd. ("GWMG" or the "Company") (TSX VENTURE:GWG) (PINK SHEETS:GWMGF) is pleased to provide an update of its unique "mine-to-market" strategy to become a fully integrated explorer and global supplier of rare earth elements ("REE'") and other strategic metals. The Fundamentals of the Rare Earth Sector Remain Strong: The world demand for REE continues to accelerate while China, the primary supplier of REE,...

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2008-05-02 14:50:00

Scientists at the Georgia Institute of Technology have discovered a new way that phosphorus is naturally removed from the oceans "“ its stored in diatoms. The discovery opens up a new realm of research into an element that's used for reproduction, energy storage and structural materials in every organism. Its understanding is vital to the continued quest to understand the growth of the oceans. The research appears in the May 2, 2008 edition of the journal Science. Ellery Ingall,...


Word of the Day
tesla
  • The unit of magnetic flux density in the International System of Units, equal to the magnitude of the magnetic field vector necessary to produce a force of one newton on a charge of one coulomb moving perpendicular to the direction of the magnetic field vector with a velocity of one meter per second. It is equivalent to one weber per square meter.
This word is named for Nikola Tesla, the inventor, engineer, and futurist.