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SUNDAY, NOVEMBER 22, 2009
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NEWS ABOUT: radioactive isotopes

radioactive isotopes stories: 5 news summaries

Iran Offers US Meeting With Nuke Experts

Ahmadinejad says country wants to buy 'medicinal' uranium

(Newser) - Mahmoud Ahmadinejad says he’d be willing to let Iran’s nuclear scientists meet with experts from the US and other world powers in an effort to alleviate suspicions about the country’s nuclear program. Iran also intends to attempt to buy uranium from the US during international negotiations next... More »

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Iran Russia Mahmoud Ahmadinejad uranium nuclear facilities UN sanctions radioactive isotopes medical isotopes

(Newser) - Trouble at nuclear reactors that produce two-thirds of the world’s medical isotopes have created massive testing delays in the US, the Philadelphia Inquirer reports. The isotopes, created in Canada and the Netherlands, are used for presurgery stress tests and to locate some cancers; doctors are limping along with... More »

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cancer surgery Canada Netherlands nuclear reactor tests thyroid cancer radioactive isotopes medical isotopes nuclear medicine

(Newser) - In a result defying popular opinion, the human heart regenerates about half of its cells over the course of a normal lifespan, the New York Times reports. A study used levels of a radioactive isotope in the earth’s atmosphere released by aboveground nuclear tests, and found in our bodies,... More »

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heart scientific study medical study radioactive isotopes muscle tissue regeneration

Wanted: Small Amounts of Plutonium

US agency ferrets out unused radioactive sources

(Newser) - The country is crawling with unused radioactive material, and it’s up to the little-known National Nuclear Security Administration to dispose of it, the Los Angeles Times reports. They're not after warheads, but small amounts of plutonium used in medical and technological pursuits in more than 130 countries, as... More »

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medicine security dirty bomb uranium plutonium radioactive isotopes National Nuclear Security Administration

 Fat Cell Numbers
 Don't Bulge: Study 

Fat cells remain stable throughout life

(Newser) - The number of fat cells is set for a lifetime in childhood, a new study indicates. The latest research into obesity reveals fundamental new insights into why some people become fat and why it is so hard for overweight people to keep excess pounds off—even after a successful diet,... More »

5 Stories