Unique five-atom bismuth ring synthesized
Researchers at the Karlsruhe Institute of Technology (KIT) have synthesized a Bi5⁻ ring, a molecule with five bismuth atoms, ...
Marco Rubio supported USAID as a senator. As secretary of state, he backs gutting it.
On at least 12 occasions over more than a decade, Rubio praised USAID’s work, from hurricane relief to battling infectious ...