Aromatic compounds: A ring made up solely of metal atoms

The term aromaticity is a basic, long-standing concept in chemistry that is well established for ring-shaped carbon compounds. Aromatic rings consisting solely of metal atoms were, however, heretofore unknown.

Researchers create an optical lens that senses gas

A research team from the University of Jena has developed a small optical lens, only a few millimeters in size, whose refractive behavior changes in the presence of gas. As reported by the researchers in the journal Nature ...

Fully automated detection robot promotes efficient soil testing

A research team developed new equipment that achieved fully automatic and unmanned detection of soil nutrients (such as organic matter, available potassium, available phosphorus) and heavy metals (including Pb, Cd, Hg, As, ...