News tagged with radioactive
Researchers create smaller and more efficient nuclear battery
Oct 07, 2009 |
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(PhysOrg.com) -- Batteries can power anything from small sensors to large systems. While scientists are finding ways to make them smaller but even more powerful, problems can arise when these batteries are ...
Researcher uses bacteria to make radioactive metals inert
Sep 08, 2009 |
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The Lost Orphan Mine below the Grand Canyon hasn't produced uranium since the 1960s, but radioactive residue still contaminates the area. Cleaning the region takes an expensive process that is only done in ...
Precision measurement of W boson mass portends stricter limits for Higgs particle
Mar 11, 2009 |
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(PhysOrg.com) -- Scientists of the DZero collaboration at the Department of Energy's Fermi National Accelerator Laboratory have achieved the world's most precise measurement of the mass of the W boson by a ...
The Death of Entanglement: Life Without Half-Life
Feb 03, 2009 |
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(PhysOrg.com) -- Quantum entanglement, a type of correlation peculiar to quantum objects, has been found to disregard completely the "half-life" rule that is obeyed by all natural processes, such a radioactive decay.
This is your brain on fatty acids
Medicine & Health / Neuroscience
Oct 30, 2009 |
4.8 / 5 (6) |
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Saturated fats have a deservedly bad reputation, but Johns Hopkins scientists have discovered that a sticky lipid occurring naturally at high levels in the brain may help us memorize grandma's recipe for cinnamon buns, as ...
Study of baby teeth yields new findings on nuclear fallout
Oct 21, 2009 |
4 / 5 (8) |
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Joan Ketterer still recalls the button her son Edward got for donating his baby teeth to what was then a ground-breaking study looking at the effect of nuclear fallout on children born in the St. Louis-area in the 1960s.
Targeted therapy from within
Nanotechnology / Bio & Medicine
Jul 28, 2009 |
5 / 5 (4) |
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A group of researchers at Johns Hopkins University has designed nanoparticles that can carry cancer-treating radioisotopes through the body and deliver them selectively to tumors. Today in Anaheim, CA, they will report the ...
Integral satellite disproves dark matter origin for mystery radiation
Jul 22, 2009 |
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(PhysOrg.com) -- A team of researchers working with data from ESA’s Integral gamma-ray observatory has disproved theories that some form of dark matter explains mysterious radiation in the Milky Way.
New findings on the birth of the solar system
Jul 20, 2009 |
4.5 / 5 (8) |
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A team of international astrophysicists, including Dr Maria Lugaro from Monash University, has discovered a new explanation for the early composition of our solar system.
Reactor leak halts Canada isotope work for 3 months
May 28, 2009 |
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A Canadian nuclear reactor that produced about a third of the world's supply of medical isotopes has halted operation for three months due to a heavy water leak, authorities said.
Solving the mystery of how plants survive near Chernobyl
May 13, 2009 |
3.9 / 5 (15) |
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Twenty-two years after the Chernobyl nuclear power station accident in the Ukraine — the worst in history — scientists are reporting insights into the mystery of how plants have managed to adapt and survive ...
Erosion of the Yucca Mountain crest
Space & Earth / Earth Sciences
May 05, 2009 |
3.7 / 5 (7) |
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The Yucca Mountain crest in Nevada, USA has been proposed as a permanent site for high level radioactive waste. But a new study, already published as an article in press by Elsevier's journal Geomorphology and recently includ ...
Understanding stellar explosions is less straightforward than previously thought
Apr 30, 2009 |
4.8 / 5 (4) |
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(PhysOrg.com) -- Stellar explosions called novæ are caused by nuclear reactions between the star's atoms. In order to better understand such violent phenomena, astrophysicists study the radiation emitted by certain types ...
Imaging technique may trace development of Parkinson's disease
Mar 24, 2009 |
5 / 5 (1) |
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While finding a biomarker for Parkinson's disease that would let physicians screen for or track its progression remains an elusive goal, a team led by a University of Illinois at Chicago neuroscientist has shown that a non-invasive ...
Scientists discover historic sample of bomb-grade plutonium
Chemistry / Analytical Chemistry
Feb 26, 2009 |
4.3 / 5 (6) |
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(PhysOrg.com) -- Scientists in Washington state are reporting the surprise discovery of the oldest known sample of reactor-produced bomb-grade plutonium, a historic relic from the infancy of America’s nuclear weapons program. ...
