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

created Sep 04, 2009 | popularity 4.7 / 5 (42) | comments 36

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 ...

Chemistry / Biochemistry

created Feb 02, 2010 | popularity 4.3 / 5 (37) | comments 30 | with audio podcast

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.

Chemistry / Biochemistry

created Nov 06, 2009 | popularity 4.9 / 5 (28) | comments 0

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 ...

Chemistry / Biochemistry

created Sep 03, 2010 | popularity 4.5 / 5 (23) | comments 7 | with audio podcast

Did clay mould life's origins?

(PhysOrg.com) -- An Oxford University scientist has taken our understanding of the origin of life a step further.

Chemistry / Biochemistry

created Apr 04, 2011 | popularity 4.7 / 5 (22) | comments 27 | with audio podcast

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 ...

Chemistry / Biochemistry

created Sep 13, 2010 | popularity 4.5 / 5 (21) | comments 13 | with audio podcast

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

created Dec 22, 2009 | popularity 4.9 / 5 (19) | comments 3

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. ...

Biology / Cell & Microbiology

created Nov 28, 2011 | popularity 4.3 / 5 (21) | comments 9 | with audio podcast weblog

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

created Sep 17, 2010 | popularity 4.4 / 5 (20) | comments 4 | with audio podcast

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.

Chemistry / Biochemistry

created Jun 29, 2010 | popularity 4.7 / 5 (17) | comments 13 | with audio podcast

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 ...

Chemistry / Biochemistry

created May 06, 2010 | popularity 4.9 / 5 (15) | comments 2 | with audio podcast

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, ...

Biology / Evolution

created Oct 27, 2009 | popularity 4.3 / 5 (16) | comments 24

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

created Jun 17, 2009 | popularity 4.5 / 5 (14) | comments 3

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 ...

Space & Earth / Space Exploration

created Feb 17, 2010 | popularity 5 / 5 (12) | comments 1 | with audio podcast report

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 ...

Biology / Evolution

created Mar 10, 2010 | popularity 3.8 / 5 (15) | comments 45 | with audio podcast