The universe doesn't just blow—sometimes it sucks. The Romantic poet John Keats once defined a state of mind wherein a person "is capable of being in uncertainties, mysteries, doubts, without any ...
Pressure-temperature (P-T) phase diagram of a NaYbSe2 single crystal. Courtesy: Run-Ze Yu Researchers in China report that they have observed both superconductivity and an insulator-to-metal ...