News tagged with origin of life
Scientists propose new hypothesis on the origin of life
The Miller-Urey experiment, conducted by chemists Stanley Miller and Harold Urey in 1953, is the classic experiment on the origin of life. It established that the early Earth atmosphere, as they pictured it, ...
Space & Earth / Earth Sciences
Sep 04, 2009 |
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New research rejects 80-year theory of 'primordial soup' as the origin of life
For 80 years it has been accepted that early life began in a 'primordial soup' of organic molecules before evolving out of the oceans millions of years later. Today the 'soup' theory has been over turned in a pioneering paper ...
Feb 02, 2010 |
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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 |
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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 |
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Did clay mould life's origins?
(PhysOrg.com) -- An Oxford University scientist has taken our understanding of the origin of life a step further.
Apr 04, 2011 |
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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 |
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Shallow Origins
In finding answers to the mystery of the origin of life, scientists may not have to dig too deep. New research is shedding light on shallower waters as a possible location for where life on Earth began.
Space & Earth / Earth Sciences
Dec 22, 2009 |
4.9 / 5 (19) |
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Researchers make the case that modern life sprang from early mega-organism
(PhysOrg.com) -- A lot of work has been done over the years to nail down the origins of life, with much speculation given to whatever first bit of life appeared from what was before, nothing but non-living material. ...
Life beyond Earth 'within our grasp', astronomer says
With a bit of luck and a new space telescope, within five years we could know the answer to a question that humanity has pondered for millennia: Is there life beyond Earth?
Space & Earth / Space Exploration
Sep 17, 2010 |
4.4 / 5 (20) |
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Zapping Titan-like atmosphere with UV rays creates life precursors
The first experimental evidence showing how atmospheric nitrogen can be incorporated into organic macromolecules is being reported by a University of Arizona team.
Jun 29, 2010 |
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Peptides may hold 'missing link' to life
Emory University scientists have discovered that simple peptides can organize into bi-layer membranes. The finding suggests a "missing link" between the pre-biotic Earth's chemical inventory and the organizational ...
May 06, 2010 |
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Charles Darwin really did have advanced ideas about the origin of life
When Charles Darwin published The Origin of Species 150 years ago, he deliberately avoided the subject of the origin of life. This, coupled with the mention of the 'Creator' in the last paragraph of the book, ...
Oct 27, 2009 |
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First direct evidence of lightning on Mars detected
For the first time, direct evidence of lightning has been detected on Mars, say University of Michigan researchers who found signs of electrical discharges during dust storms on the Red Planet.
Space & Earth / Space Exploration
Jun 17, 2009 |
4.5 / 5 (14) |
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Chemical snapshot: Murchison meteorite reveals diversity of early Solar System
(PhysOrg.com) -- New studies of a meteorite that crashed to Earth four decades ago have found it probably contains millions of organic compounds. The findings shed light on the molecular complexity that existed ...
Students' perceptions of Earth's age influence acceptance of human evolution, says study
High school and college students who understand the geological age of the Earth (4.5 billion years) are much more likely to understand and accept human evolution, according to a University of Minnesota study published in ...
Mar 10, 2010 |
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