Voters in Tucson Unified School District appeared to support a budget override, election results show. The override, Proposition 414, was leading 56 percent to 44 percent, initial results showed.

During femtosecond laser fabrication, photons are mainly absorbed by electrons, and the subsequent energy transfer from electrons to ions is of picosecond order. Hence, lattice motion is negligible ...

National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...

Excellence in business comes in many forms. For some companies, it’s a creative use of artificial intelligence to drive growth. For others, it’s a viral marketing campaign or a game-changing invention ...

A standardized, realistic phantom dataset consisting of ground-truth annotations for six diverse molecular species is provided as a community resource for cryo-electron-tomography algorithm ...

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