Concentrations of potentially harmful chemical compounds in dust collected from air filtration systems on the International Space Station (ISS) exceed those found in floor dust from many American homes, a new study reveals.
Space Exploration
Aug 8, 2023
3
255
(Phys.org)—IBM scientists have been able to differentiate the chemical bonds in individual molecules for the first time using a technique known as noncontact atomic force microscopy (AFM).
Nanophysics
Sep 13, 2012
14
1
A team of researchers from the U.S., Australia and the U.K. has found evidence that suggests material thrown into the atmosphere by the asteroid that struck the Earth approximately 66 million years ago, and not massive wildfires, ...
Asteroid Ryugu has a rich complement of organic molecules, according to a NASA and international team's initial analysis of a sample from the asteroid's surface delivered to Earth by Japan's Hayabusa2 spacecraft. The discovery ...
Planetary Sciences
Feb 23, 2023
1
633
Polycyclic aromatic hydrocarbons (PAHs) are typical organic compounds found in cigarette smoke and vehicle exhaust. In addition, PAHs are produced from incomplete combustion of organic material and cooking. The highest concentrations ...
Biochemistry
Apr 24, 2023
0
47
Research led by Oxford University is the first of its kind to study tiny dust molecules in the nuclear region of active galaxies using early observations from the James Webb Space Telescope (JWST). The study is the first ...
Astronomy
Oct 11, 2022
0
454
A genetic mutation may have helped modern humans adapt to smoke exposure from fires and perhaps sparked an evolutionary advantage over their archaic competitors, including Neandertals, according to a team of researchers.
Evolution
Aug 2, 2016
0
751
Infusing foods with smoke can impart delicious nuanced flavors, but could also come with an unwelcome side of carcinogens. To reduce the carcinogen content of smoked foods, researchers took a lesson from the automobile industry, ...
Materials Science
Mar 20, 2018
3
231
Scientists from the Institute of Organic Chemistry and Biochemistry Prague, the Institute of Physics of the Czech Academy of Sciences, and Palacký University Olomouc, have once again successfully uncovered the mysteries ...
Nanomaterials
Aug 29, 2023
0
75
Many human-made pollutants in the environment resist degradation through natural processes, and disrupt hormonal and other systems in mammals and other animals. Removing these toxic materials—which include pesticides and ...
Bio & Medicine
Jul 22, 2015
0
52
