Substituted diphenylthioureas (DPTUs) are efficient hydrogen-bonding organo-catalysts, and substitution of DPTUs has been shown to greatly affect catalytic activity. Yet, both the conformation of ...

Twenty-four Hmong men who settled in Minnesota decades ago are being held in jails across Minnesota and Iowa as they await ...

Hasbro's Magic: The Gathering has unveiled seven new cards from an upcoming "Sonic the Hedgehog" Secret Lair drops.