Although present almost everywhere - food, soil, toothpaste and especially tap water -, the fluoride ion is highly toxic to microorganisms and cells. To avoid death, cells must remove fluoride that has accumulated inside ...
Biochemistry
Sep 7, 2015
0
115
Nanoscience is the study of materials that measure at the scale of one-billionth of a metre in length. While "tiny" is the very nature of this scientific field, nanoscience is a huge force behind modern day technology and ...
Nanomaterials
Jul 13, 2015
0
55
When it comes to reducing the toxins released by burning gasoline, coal, or other such fuels, the catalyst needs to be reliable. Yet, a promising catalyst, cerium dioxide (CeO2), seemed erratic. The catalyst's three different ...
Nanomaterials
Jun 1, 2015
0
9
Our world is full of patterns, from the twist of a DNA molecule to the spiral of the Milky Way. New research from Carnegie Mellon chemists has revealed that tiny, synthetic gold nanoparticles exhibit some of nature's most ...
Nanomaterials
Apr 9, 2015
2
1212
For almost a century, scientists have been puzzled by a process that is crucial to much of the life in Earth's oceans: Why does calcium carbonate, the tough material of seashells and corals, sometimes take the form of calcite, ...
Condensed Matter
Mar 3, 2015
2
673
French artist Paul Gauguin is well known for his colorful paintings of Tahitian life—such as the painting that sold recently for nearly $300 million—but he also was a highly experimental printmaker. Little is known, however, ...
Computer Sciences
Feb 14, 2015
0
688
More than 80 percent of microbial infections in the human body are caused by a build-up of bacteria, according to the National Institutes of Health. Bacteria cells gain a foothold in the body by accumulating and forming into ...
Polymers
Feb 10, 2015
0
41
This year I have learnt more that it is probably healthy to know about crystal structures. I've learnt how you can turn a rabbit green with a protein, read up on French military history and marvelled at how a crystal structure ...
Materials Science
Dec 10, 2014
0
0
(Phys.org) —Rosetta's scientific imaging system OSIRIS has caught a glimpse of the southern side of comet 67P/Churyumov-Gerasimenko. During the past months, this side has continuously faced away from the Sun making it impossible ...
Space Exploration
Nov 6, 2014
0
0
When a solid material is immersed in a liquid, the liquid immediately next to its surface differs from that of the bulk liquid at the molecular level. This interfacial layer is critical to our understanding of a diverse set ...
Nanophysics
Oct 23, 2014
1
0
