A 2,200-year-old Celtic settlement containing coins and jewelry has been discovered in the Czech Republic. A 2,200-year-old ...

A simple pair of hoop earrings are the perfect way to top off any outfit. These small hoop earrings are lightweight for ...

In this paper we investigate the influence of intramolecular noncovalent interaction, i.e., H-bonding and Li-bonding, on the properties of substituents communicating through the resonance (mesomeric) ...