SARAJEVO, Aug 22 (Reuters) - Novelist and Matrix co-writer Aleksandar Hemon worries that growing U.S. social divisions could bring about the partition of the United States, saying present-day America ...

Optical computing uses photons instead of electrons to perform computations, which can significantly increase the speed and energy efficiency of computations by overcoming the inherent limitations of ...

• Premise of the study: Generic boundaries and infrageneric relationships among the charismatic temperate magnoliid Asarum sensu lato (Aristolochiaceae) have long been uncertain. Previous molecular ...