In 1952, Stanley Miller and Harold Urey made sparks fly in a gas-filled flask meant to reflect the composition of Earth's atmosphere around 3.8 billion years ago. Their results suggested that lightning could have led to prebiotic ...
Earth Sciences
Apr 11, 2022
2
106
The presence of amino acids on the prebiotic Earth is widely accepted, either coming from endogenous chemical processes or being delivered by extraterrestrial material. On the other hand, plausibly prebiotic pathways to peptides ...
Materials Science
Jun 8, 2021
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22
Prebiotics are only able to help stabilise the intestinal flora of horses to a limited degree. Before they can reach the intestines, commercially available supplements partially break down in the animals' stomachs, which ...
Veterinary medicine
Oct 1, 2019
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13
With the help of forest residues such as sawdust, branches and tops (GROT), and cellulose from sea squirts, researchers in Biochemical Process Engineering at Luleå University of Technology want to make our stomach to feel ...
Biochemistry
Apr 26, 2019
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5
How could prebiotic information-bearing DNA sequences survive in the face of competition from a vast excess of shorter molecules with random sequences? LMU scientists now show that a relatively simple mechanism could have ...
General Physics
Apr 2, 2019
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5
Just like the mythical creation stories that depict the formation of the world as the story of order from chaos, the early Earth was home to a chaotic clutter of organic molecules from which, somehow, more complex biological ...
Astrobiology
Feb 6, 2019
2
299
All living beings need cells and energy to replicate. Without these fundamental building blocks, living organisms on Earth would not be able to reproduce and would simply not exist.
Astronomy
Sep 27, 2018
6
172
The completion of NOEMA phase 1, the first phase of the NOEMA project will be officially celebrated this Wednesday, September 19th. IRAM and its partner institutes have completed the first, decisive step towards one of the ...
Astronomy
Sep 19, 2018
0
15
Life as we know it originated roughly 3.5 to 4 billion years ago in the form of a prebiotic ("before life") soup of organic molecules that somehow began to replicate themselves and pass along a genetic formula. Or so goes ...
Biochemistry
Feb 6, 2018
0
194
(Phys.org)—Using the Shanghai Tianma 65m Radio Telescope (TMRT) a team of Chinese astronomers has detected a widespread presence of glycolaldehyde and ethylene glycol around the giant molecular cloud Sagittarius B2. The ...
