Per- and polyfluoroalkyl substances (PFAS) are man-made hazardous chemicals that are spread globally in the atmosphere and as a result they can be found in the rainwater and snow in even the most remote locations on Earth. ...
Environment
Aug 2, 2022
0
424
Fatty acids and their derivatives are promising raw materials for manufacturing advanced biofuels, detergents, lubricants, surfactants and so on. The current supply of fatty acids is mainly through extraction from plants, ...
Biochemistry
Jul 29, 2022
0
303
Rice University chemical engineers have improved their design for a light-powered catalyst that rapidly breaks down PFOA, one of the world's most problematic "forever chemical" pollutants.
Materials Science
Jul 25, 2022
2
2757
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
The Japan Aerospace Exploration Agency's (JAXA) Hayabusa2 mission returned uncontaminated primitive asteroid samples to Earth. A comprehensive analysis of 16 particles from the asteroid Ryugu revealed many insights into the ...
Planetary Sciences
Jun 9, 2022
0
126
Using new analyses, scientists have just found the last two of the five informational units of DNA and RNA that had yet to be discovered in samples from meteorites. While it is unlikely that DNA could be formed in a meteorite, ...
Astrobiology
Apr 26, 2022
6
3791
The pollution of groundwater and surface waters with sulfate and iron from acid mine drainage is a worldwide problem in post-mining landscapes. Researchers from the Humboldt University of Berlin (HU-Berlin) and the Leibniz ...
Environment
Mar 23, 2022
0
28
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
Using a novel analytical technique developed at KI, the team of scientists led by Roman Zubarev found in seal bones twice as much deuterium as in sea water; extra deuterium cannot come from seals' diet.
Plants & Animals
Feb 7, 2022
0
8
A collection of fossil shells from marine snails and clams is challenging a theory that says the world's deadliest mass extinction was accompanied by severe ocean acidification.
Earth Sciences
Jan 26, 2022
0
102
