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Did life begin between the sheets -- the mica sheets?
12-04-2007 · EurekAlert!A presentation at the American Society for Cell Biology's 47th annual meeting will propose that the narrow, confined spaces between nonliving mica layers could have provided exactly the right conditions for the rise of the first biomolecules.
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Keywords: life, begin, sheets, mica, sheet
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- Video shows buckyballs form by 'shrink wrapping'
10-26-2007 · EurekAlert!
The birth secret of buckyballs -- hollow spheres of carbon no wider than a strand of DNA -- has been caught on tape by researchers at Sandia National Laboratory and Rice University. An electron microscope video and computer simulations show that "shrink-wrapping" is the key; buckyballs start life as distorted, unstable sheets of graphite, shedding loosely connected threads and chains until only the perfectly spherical buckyballs remain.
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- Widowhood's economic consequences harshest on minority women
04-30-2007 · EurekAlert!
Minority widows are at a particularly high risk of poverty in late life, according to a report published in the latest issue of the Gerontologist. While the data reveal a substantial financial widowhood penalty among all ethnic groups, minority women often have lower incomes and fewer assets to begin with.
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- New hypothesis for origin of life proposed
12-04-2007 · EurekAlert!
Life may have begun in the protected spaces inside of layers of the mineral mica, in ancient oceans, according to a new hypothesis.
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- Annals of Internal Medicine tip sheet for Feb. 20, 2007, issue
02-19-2007 · EurekAlert!
The following articles are featured in the February 20, 2007, issue of Annals of Internal Medicine tip sheet:"Periodic Health Evaluation is Beneficial and Should Be Part of Health Care," "Immunochemical FOBT Has Good Success Rate in Identifying Cancer," "Big Gap in Income Between Primary Care Docs and Specialty Docs Endangers U.S. Health Care" and "Early Release: Bronchodilator Plus Another Inhaler Improves Quality of Life, Lung Function and Results in Fewer Hospitalizations for People with COPD."
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- NASA-funded robotic sub makes final dive to reach bottom of Earth's deepest sinkhole
05-15-2007 · EurekAlert!
Scientists from the University of Texas at Austin's Jackson School of Geosciences and other institutions begin the final leg of a five-year, NASA-funded mission to reach the bottom of Cenote Zacatón in Mexico, the world's deepest known sinkhole, hoping to learn about Zacatón's geology, geothermal vents and forms of life. Previous expeditions tested the robotic probe that makes the dive, DEPTHX, designed to explore for life in extreme regions on Earth and in outer space.
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- LSU professor looks for life in and under antarctic ice
08-31-2007 · EurekAlert!
Antarctica is home to the largest body of ice on Earth. Prior to approximately 10 years ago, no one thought that life could exist beneath the Antarctic ice sheets, which can be more than two miles thick in places, because conditions were believed to be too extreme. However, Brent Christner, assistant professor of biological sciences at LSU, has spent a great deal of time in one of the world's most hostile environments conducting research that proves otherwise.
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- Protection against cancer may begin during pregnancy
12-21-2006 · EurekAlert!
Pregnant and nursing women who eat generous amounts of cruciferous vegetables like broccoli and cabbage could help protect their children from cancer, both as infants and later in life. A new study done with laboratory mice found that phytochemicals found in certain vegetables provided a very high level of protection against leukemia and lymphoma in young animals, and also significantly protected against lung cancer during the rodent's equivalent of middle age.
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- Tip sheet Annals of Internal Medicine, Jan. 15, 2008 issue
01-14-2008 · EurekAlert!
The following articles will be featured in the Jan. 15 issue of Annals of Internal Medicine: "Internal Medicine Organization Issues New Guidelines to Improve Palliative Care of Three Symptoms at End of Life"; "Sickle Cell Disease Causes Much More Pain Than Formerly Thought"; "Antibiotic-Resistant Staphylococcal Infections Discovered in Men Who Have Sex With Men"; and "Releasing Health Care Performance Data May Not Improve Care."
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- Scientists observe drumlin beneath ice sheet
01-23-2007 · EurekAlert!
Scientists have discovered a warehouse-sized drumlin -- a mound of sediment and rock -- actively forming and growing under the ice sheet in Antarctica. Its discovery, and the rate at which it was formed, sheds new light on ice-sheet behavior. This could have implications for predicting how ice sheets contribute to sea-level rise. The results are published this week in the journal Geology.
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- Looking for life on Jupiter's icy moon Europa
02-23-2007 · EurekAlert!
If life exists on other planets, it almost certainly will be found where there's water. While many scientists pin their hopes on Mars, UC Berkeley paleobiologist Jere Lipps yearns to probe Jupiter's moon Europa, because its jumbled ice cover reminds him of the Antarctic ice sheets that are home to abundant life on Earth. Lipps and three other scientists discussed the possibilities at the recent AAAS meeting.
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