Before farmers settled the Midwestern United States and planted crops, the extensive root systems of prairie grasses—including the tall, strong-stemmed switchgrass species—enriched the soil, creating millions of acres ...
Biotechnology
Feb 23, 2016
0
10
A new device analyzes gas mixtures using semiconductor sensors. Odor is determined by a combination of existing gases in the atmosphere. Researchers have found that the conductivity of a semiconductor probe changes during ...
Analytical Chemistry
Feb 11, 2016
0
11
An ensemble consisting of a binary mixture of particles of equal size can partition itself into its component fractions - provided that the two species differ in their diffusion constants.
General Physics
Feb 5, 2016
9
383
Mixtures of toxic chemicals that commonly occur in the word's cities may hold greater risks for citizens exposed to them than do the individual chemicals themselves.
Environment
Sep 15, 2015
0
12
Scientists at Oregon State University have developed a faster, more accurate method to assess cancer risk from certain common environmental pollutants.
Biochemistry
May 11, 2015
1
18
Construction crews may someday use a plant molecule called lignin in their asphalt and sealant mixtures to help roads and roofs hold up better under various weather conditions. It also could make them more environmentally ...
Materials Science
Mar 22, 2015
7
2816
Elements and their compounds will no longer be able to hide in mixtures, even if the latter are made up of many components. The end of chemical incognito is a result of the development at Warsaw's Polish Academy of Science's ...
Materials Science
Feb 11, 2015
0
20
Highly purified crystals that split light with uncanny precision are key parts of high-powered lenses, specialized optics and, potentially, computers that manipulate light instead of electricity. But producing these crystals ...
Condensed Matter
Jul 22, 2014
1
0
New research from the Niels Bohr Institute shows that cement made with waste ash from sugar production is stronger than ordinary cement. The research shows that the ash helps to bind water in the cement so that it is stronger, ...
Engineering
Sep 16, 2013
0
1
Adding limestone powder to "green" concrete mixtures—those containing substantial amounts of fly ash, a byproduct of coal-burning power plants—can significantly improve performance, report researchers from the National ...
Engineering
Sep 4, 2013
0
4
