At several archaeological sites in southern Africa, hundreds of highly unusual fragments of ostrich eggs have been found. Dating back more than 60,000 years, the shells were engraved by groups of Homo ...

A pore smaller than one nanometer reads peptide sequences amino acid by amino acid, pinpointing single-site Alzheimer's ...

In chemistry, molecules with a "flat" geometry are often stable enough to support a wide range of reactions. But in the quantum world, that's not technically true.

The Department of Physical Chemistry, Faculty of Chemistry, University of Seville, and The Department of Inorganic, Instituto de Investigaciones Químicas, CSIC and University of Seville * To whom ...