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When it comes to risk, not all nanomaterials are created equal
03-25-2007 · EurekAlert!The size, type, and dispersion of nanomaterials could all play a role in how these materials impact human health and the environment, according to two groups of researchers at Rensselaer Polytechnic Institute. In new studies, the teams found that while carbon nanotubes inhibited growth in mammalian cells, they sustained the growth of commonly occurring bacteria.
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Keywords: comes, risk, nanomaterials, created, equal, come, nanomaterial
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- Not all risk is created equal
08-28-2007 · EurekAlert!
A camper who chases a grizzly but won't risk unprotected sex. A sky diver afraid to stand up to the boss. New research shows that not all risk is created equal and people show a mixture of both risky and non-risky behaviors.
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- Not all embryonic stem cell lines are created equal
08-06-2007 · EurekAlert!
When it comes to generating neurons, researchers have found that not all embryonic stem cell lines are equal. In comparing neurons generated from two NIH-approved embryonic stem cell lines, scientists have uncovered significant differences in the mature, functioning neurons generated from each line. The discovery implies that culture conditions during ES cell generation -- which have yet to be identified -- can influence the developmental properties of human ES cells.
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- All itches not created equal -- Different parts of brain activated depending on cause
12-06-2006 · EurekAlert!
Different reactions in the brain to two common allergy triggers -- allergens (pollen and dust) and histamine (allergy cells within the body caused by foods, drugs or infection) -- may shed some light on the itch-scratch cycle. Allergen-induced itch intensity ratings were higher compared to histamine and perception of itch and changes in blood flow were significantly greater when allergen induced. Itch intensity and changes in blood flow were perceived to exist for significantly longer periods.
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- Far-out findings -- New analysis suggests planets were formed from a giant mix
12-14-2006 · EurekAlert!
Our Solar System may have been created in a gigantic mixing process far more extensive than previously imagined, according to research published today.The findings, reported in the journal Science, come from the first analysis of dust fragments from Comet Wild-2, captured by NASA's Stardust spacecraft and brought to Earth in January 2006.
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- Veterans exposed to Agent Orange have higher rates of prostate cancer recurrence
05-20-2007 · EurekAlert!
Veterans exposed to Agent Orange have a 48 percent increased risk of prostate cancer recurrence following surgery than their unexposed peers, and when the disease comes back, it seems more aggressive, researchers say.
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- Study finds most TV prescription drug ads minimize risk information
01-03-2008 · EurekAlert!
Prescription drug ads on television first hit the airwaves just over a decade ago, but a new University of Georgia study finds that most of them still do not present a fair balance of information, especially when it comes to the risk of side effects.
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- Where has all the antimatter gone?
04-11-2007 · EurekAlert!
Scientists from the Universities of Liverpool and Glasgow have completed work on the inner heart of an experiment which seeks to find out what has happened to all the antimatter created at the start of the Universe. Matter and antimatter were created in equal amounts in the Big Bang but somehow the antimatter disappeared resulting in the Universe, and everything in it, including ourselves, being made of the remaining matter.
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- Soy found protective against localized prostate cancer
03-15-2007 · EurekAlert!
The largest study examining the relationship between the traditional soy-rich Japanese diet and development of prostate cancer in Japanese men has come to a seemingly contradictory conclusion: Intake of isoflavone chemicals, derived largely from soy foods, decreased the risk of localized prostate cancer but increased the risk of advanced prostate cancer.
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- Arctic spring comes weeks earlier than a decade ago
06-18-2007 · EurekAlert!
In the Earth's cold and icy far north, the harsh winters are giving way to spring weeks earlier than they did just a decade ago, researchers have reported in the June 19 issue of Current Biology, published by Cell Press. The finding in the Arctic, where the effects of global warming are expected to be most severe, offers an "early warning" of things to come on the rest of the planet, according to the researchers.
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- Scientists prove that disputed Korean stem cell line comes from an unfertilized egg and not cloning
08-02-2007 · EurekAlert!
Can a genetic signature identify the origin of a human stem cell line? Scientists report that a widely available method for comprehensive genetic analysis can help distinguish the type of human embryo that stem cells come from.
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