† Department of Chemistry, University of Pennsylvania, Philadelphia, Pennsylvania 19104, United States ‡ Department of Materials Science and Engineering, University of Pennsylvania, 3231 Walnut Street ...

French President Emmanuel Macron announced in March that the base will be France’s first with ASN4G nuclear-capable air-to-ground missiles. (AP pic) LUXEUIL-LES-BAINS: In a sign of the growing ...

Among the Eunotia taxa, E. trigona is distinguished by its unusual (perhaps unique) triangular-shaped valve, similar to those found in a few species of the genera Staurosira and Staurosirella. The ...

The Devon Rex is one of the friendliest cat breeds around. Wide-eyed with excitement most of the time, these kitties, which are often called pixie cats, due to their short nose, m ...

Other controls include a triangular-shaped, serrated, push-button magazine release, which is reversible for left-handed shooters, as well as a single-sided slide-stop lever. While we have the all ...