According to a new NASA laboratory experiment, rovers may have to dig about 6.6 feet (two meters) or more under the Martian surface to find signs of ancient life because ionizing radiation from space degrades small molecules ...
Astrobiology
Jun 27, 2022
5
262
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 catalysts ...
Biochemistry
Sep 3, 2010
7
0
(PhysOrg.com) -- NASA scientists analyzing the dust of meteorites have discovered new clues to a long-standing mystery about how life works on its most basic, molecular level.
Biochemistry
Mar 17, 2009
4
2
Scientists at the Department of Energy's Oak Ridge National Laboratory have made a significant stride toward understanding a viable process for direct air capture, or DAC, of carbon dioxide from the atmosphere. This DAC process ...
Analytical Chemistry
Dec 1, 2023
2
141
Proteins are like a body's in-house Lego set. These large, complex molecules are made up of building blocks called amino acids. Most of the time, proteins fold correctly, but sometimes they can misfold. This misfolding causes ...
Cell & Microbiology
Dec 18, 2015
0
13
Terry Bricker, Moreland Family Professor in the Louisiana State University (LSU) Department of Biological Sciences, and colleagues at Palacký University in the Czech Republic and at the University of Cincinnati in Ohio have ...
Biotechnology
Mar 7, 2017
0
18
Researchers from the Friedrich Schiller University Jena and the Max Planck Institute for Astronomy have discovered a new clue in the search for the origin of life, by showing that peptides can form on dust under conditions ...
Astrobiology
Feb 10, 2022
0
643
Scientists say the Philae space probe has gathered data supporting the theory that comets can serve as cosmic laboratories in which some of the essential elements for life are assembled.
Space Exploration
Jul 30, 2015
7
1159
Neutron scientists have discovered for the first time how 'antifreeze' in arctic fish blood kicks in to keep them alive in subzero conditions. The results could provide benefits for areas as diverse as cryosurgery, food processing ...
Cell & Microbiology
Apr 7, 2011
0
0
Life is quirky. Although the molecules that make up all living things obey physical and chemical laws, they do so with a puzzling twist. How did the distinctive molecular features of life emerge, and what can they tell us ...
General Physics
Oct 13, 2015
12
778
