News tagged with organic acid
New life form found on Earth: Deadly arsenic breathes life into organisms (Update, Video)
(PhysOrg.com) -- Evidence that the toxic element arsenic can replace the essential nutrient phosphorus in biomolecules of a naturally occurring bacterium expands the scope of the search for life beyond Earth, ...
Space & Earth / Space Exploration
Dec 02, 2010 |
4.5 / 5 (48) |
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Scientists Reproduce a Building Block of Life in Laboratory
(PhysOrg.com) -- NASA scientists studying the origin of life have reproduced uracil, a key component of our hereditary material, in the laboratory.
Nov 06, 2009 |
4.9 / 5 (28) |
0
Chemists see first building blocks to life on Earth
Scientists at The University of Manchester have developed an experiment that sheds new and fascinating light on how life on Earth might have begun.
May 13, 2009 |
4.9 / 5 (25) |
13
'Necropanspermia' suggested as a way of seeding life on Earth
(PhysOrg.com) -- Panspermia is a mechanism for spreading organic material throughout the galaxy, but the destructive effects of cosmic rays and ultraviolet light tend to mean most organisms would be destroyed ...
Space & Earth / Space Exploration
Nov 12, 2010 |
3.8 / 5 (32) |
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Transition metal catalysts could be key to origin of life, scientists report
One of the big, unsolved problems in explaining how life arose on Earth is a chicken-and-egg paradox: How could the basic biochemicals -- such as amino acids and nucleotides -- have arisen before the biological ...
Sep 03, 2010 |
4.5 / 5 (23) |
7
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Comets may have brought life to Earth: new study
(PhysOrg.com) -- Life on Earth as we know it really could be from out of this world. New research from Lawrence Livermore National Laboratory scientists shows that comets that crashed into Earth millions of ...
Sep 13, 2010 |
4.5 / 5 (21) |
13
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Chip-in-a-pill may be approved in 2012
(PhysOrg.com) -- Giant Swiss pharmaceutical company Novartis AG, based in Basel, is developing a pill containing an embedded microchip, which it hopes to submit for regulatory approval in Europe within 18 ...
Medicine & Health / Medications
Nov 10, 2010 |
4.9 / 5 (18) |
10
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First discovery of life's building block in comet made
(PhysOrg.com) -- NASA scientists have discovered glycine, a fundamental building block of life, in samples of comet Wild 2 returned by NASA's Stardust spacecraft.
Space & Earth / Space Exploration
Aug 17, 2009 |
4.6 / 5 (18) |
13
Researcher discover two highly complex organic molecules detected in space
(PhysOrg.com) -- Scientists from the Max Planck Institute for Radio Astronomy (MPIfR) in Bonn, Germany, Cornell University, USA, and the University of Cologne, Germany, have detected two of the most complex ...
Apr 21, 2009 |
4.8 / 5 (16) |
10
Scientists to test if life on Mars could be related to life on Earth
Over the course of the Earth's history, about a billion tons of rocks have been exchanged between the Earth and Mars. Scientists think it's possible that one or more of those rocks might have contained tiny ...
Space & Earth / Space Exploration
Nov 04, 2010 |
4.8 / 5 (13) |
22
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Space rock yields answers about origins of life on Earth
(PhysOrg.com) -- Formic acid, a compound implicated in the origins of life, has been found at record levels on a meteorite that fell onto a frozen Canadian lake in 2000.
Space & Earth / Earth Sciences
Jun 03, 2009 |
4.4 / 5 (12) |
3
Scientists create super-strong collagen
(PhysOrg.com) -- A team of University of Wisconsin-Madison researchers has created the strongest form of collagen known to science, a stable alternative to human collagen that could one day be used to treat arthritis and ...
Jan 12, 2010 |
4.9 / 5 (9) |
2
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Researchers extend genetic code of an entire animal
(PhysOrg.com) -- Researchers Sebastian Greiss and Jason Chin of the Medical Research Council's Laboratory of Molecular Biology in Cambridge, have succeeded in manipulating the DNA of a nematode such that a ...
Aug 15, 2011 |
4.8 / 5 (9) |
7
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Scientists sound acid alarm for plankton
The microscopic organisms on which almost all life in the oceans depends could be even more vulnerable to increasingly acidic waters than scientists realised, according to a new study.
May 15, 2012 |
4.2 / 5 (10) |
7
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Scientists solve long-standing mystery of protein 'quality control' mechanism
Scientists from The Scripps Research Institute have solved a long-standing mystery of how cells conduct "quality control" to eliminate the toxic effects of a certain kind of error in protein production. The findings may lead ...
Sep 12, 2010 |
4.5 / 5 (8) |
3
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