A new type of material generates electrical current very efficiently from temperature differences. This allows sensors and small processors to supply themselves with energy wirelessly.
Materials Science
Nov 14, 2019
1
33322
According to some experts, nuclear power holds great promise for meeting the world's growing energy demands without generating greenhouse gases. But scientists need to find a way to remove radioactive isotopes, both from ...
Nanophysics
Oct 30, 2019
1
295
If scientists could give living cells magnetic properties, they could perhaps manipulate cellular activities with external magnetic fields. But previous attempts to magnetize cells by producing iron-containing proteins inside ...
Nanomaterials
Sep 25, 2019
0
653
Researchers at the University of East Anglia have discovered how nitrogen-fixing bacteria sense iron—an essential but deadly micronutrient.
Cell & Microbiology
Sep 17, 2019
0
171
When exposed to intense laser pulses, the magnetization of a material can be manipulated very fast. Fundamentally, magnetization is connected to the angular momentum of the electrons in the material. A team of researchers ...
General Physics
May 3, 2019
0
44
Nanoparticles composed of nickel and iron have been found to be more effective and efficient than other, more costly materials when used as catalysts in the production of hydrogen fuel through water electrolysis.
Nanomaterials
Mar 19, 2019
1
900
Where did Earth's global ocean come from? A team of Arizona State University geoscientists led by Peter Buseck, Regents' Professor in ASU's School of Earth and Space Exploration (SESE) and School of Molecular Sciences, has ...
Earth Sciences
Nov 7, 2018
12
847
Using a newly developed technique, researchers from Japan, Germany and the U.S. have identified a key step in production of hydrogen gas by a bacterial enzyme. Understanding these reactions could be important in developing ...
Materials Science
Nov 22, 2017
0
154
Carbon monoxide is an insidious poison because it loves the iron in our blood; it pushes oxygen out of iron-based hemoglobin, leading to painful asphyxiation.
Materials Science
Sep 11, 2017
0
8
Bacteria, like humans and animals, must eat. Sometimes, they consume a pollutant in the environment that humans want to get rid of, a process called bioremediation. Investigating the enzymes used by bacteria to carry out ...
Biochemistry
Mar 27, 2017
0
11
