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Scientific method is a body of techniques for investigating phenomena, acquiring new knowledge, or correcting and integrating previous knowledge. It is based on gathering observable, empirical and ...

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 ...

A correlative workflow combining cryo-electron microscopy and cryo-electron tomography with secondary ion mass spectrometry generates spatially registered chemical maps from the same vitrified sample, ...