Daily non-political popular news in brief.
Could hydrogen sulfide hold the key to a long life?
12-03-2007 · EurekAlert!Hydrogen sulfide, the chemical that gives eggs their sulfurous stench, has been shown to significantly increase life span and heat tolerance in the nematode worm, or C. elegans.
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Keywords: hydrogen, sulfide, hold, key, life
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- Deep in the ocean, a clam that acts like a plant
02-20-2007 · EurekAlert!
How does life survive in the black depths of the ocean? At the surface, sunlight allows green plants to "fix" carbon from the air to build their bodies. Around hydrothermal vents deep in the ocean live communities of giant clams with no gut and no functional digestive system, depending on symbiotic bacteria to use energy locked up in hydrogen sulfide to replace sunlight. Now, the genome of this symbiont has been completely sequenced.
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- Hot springs microbes hold key to dating sedimentary rocks, researchers say
01-22-2008 · EurekAlert!
Scientists studying microbial communities and the growth of sedimentary rock at Mammoth Hot Springs in Yellowstone National Park have made a surprising discovery about the geological record of life and the environment.Their discovery could affect how certain sequences of sedimentary rock are dated, and how scientists might search for evidence of life on other planets.
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- MU researcher presents origin-of-life theory for young Earth
10-02-2007 · EurekAlert!
Scientists have been trying to find the origin of Earth's adenine and where else it might exist in the solar system. University of Missouri-Columbia researcher Rainer Glaser may have the answer. Glaser is hypothesizing the existence of adenine in interstellar dust clouds. Those same clouds may have showered young Earth with adenine as it began cooling billions of years ago, and could potentially hold the key for initiating a similar process on another planet.
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- Why is long-term therapy required to cure tuberculosis?
03-19-2007 · EurekAlert!
Understanding why other bacteria become resistant to antibiotics could hold the key to understanding why TB takes so long to cure, say researchers in a policy paper in PLoS Medicine.
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- Combining molecular imaging technologies to stop/prevent heart attacks
06-04-2007 · EurekAlert!
The use of combined imaging technologies may hold the key to stopping -- and even preventing -- heart attacks, according to research reported at the 54th Annual Meeting of SNM, the world's largest society for molecular imaging and nuclear medicine professionals.
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- Arecibo telescope finds critical ingredients for the soup of life in a galaxy far, far away
01-14-2008 · EurekAlert!
Astronomers from Arecibo Observatory radio telescope in Arecibo, Puerto Rico, have detected for the first time the molecules methanimine and hydrogen cyanide -- two ingredients that build life-forming amino acids -- in a galaxy some 250 million light years away.
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- Life on Mars 'pregnancy test' successfully launched
09-17-2007 · EurekAlert!
Key components of a new approach to discover life on Mars were successfully launched into space Friday as part of a 12-day, low-Earth orbit experiment to assess their survivability in the space radiation environment -- a prelude future journeys to Mars.The new approach is based on technology similar to that used in pregnancy test kits.
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- Few Clues About African Ancestry To Be Found In Mitochondrial DNA
10-14-2006 · ScienceDaily
Mitochondrial DNA may not hold the key to your origins after all. A study published today in the open access journal BMC Biology reveals that fewer than 10 percent of African American mitochondrial DNA sequences analysed can be matched to mitochondrial DNA from one single African ethnic group. The current study suggests that only one in nine African Americans may be able to find clues about where their ancestors came from, in their mitochondrial DNA.
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- Birth records hold pancreatic cancer clue
08-15-2007 · EurekAlert!
Pregnancies in Jerusalem in the 1960s and 1970s may hold vital clues about how pancreatic cancer and diabetes are linked. According to research published in the online open access journal BMC Medicine, women with a history of gestational diabetes had a higher risk of developing pancreatic cancer later in life.
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- Gene may hold key to future cancer hope
10-08-2007 · EurekAlert!
Scientists may have discovered a new way of killing tumours in what they hope could one day lead to alternative forms of cancer treatments.
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