FDA issues guidance on the use of nanomaterials in food for animals

The U.S. Food and Drug Administration has issued a final guidance for industry, 'Use of Nanomaterials in Food for Animals', which is intended to assist industry and other stakeholders in identifying potential issues related to safety or regulatory status of food for animals containing nanomaterials or otherwise involving the application of nanotechnology.

New benchmarks for molecular spectroscopy

Researchers have obtained new energy readings for cyanoacetylene molecules, with significant implications for understanding the electronic structure of organic molecules.

Atomic view of microtubules

Researchers achieve record 3.5 angstroms resolution and visualize action of a major microtubule-regulating protein.

World's quietest gas lets physicists hear faint quantum effects

Lowest-entropy gas allows modeling of quantum systems such as high-temperature superconductors.

Two spin liquids square off in an iron-based superconductor

Changes in short-range, transient order in competing liquid-like phases precede onset of superconductivity.

Fast, accurate nanosensor acts as a biochemical nose

A miniaturized sensor based on Raman spectroscopy that can quickly and accurately detect or diagnose substances at a molecular level. The system can do chemistry, biology, biochemistry, molecular biology, clinical diagnosis, and chemical analysis,

Molecular tinkering doubles cancer drug's efficacy

Researchers have packaged a widely used cancer drug into nanoparticles, more than doubling its effectiveness at destroying tumors.