Can COVID vaccines stop transmission? Scientists race to find answers
Controlling the pandemic will require shots that prevent viral spread, but that feature is difficult to measure.
Controlling the pandemic will require shots that prevent viral spread, but that feature is difficult to measure.
Nuclear fusion experiments with deuterium and tritium at the Joint European Torus are a crucial dress rehearsal for the mega-experiment.
Persistently luminescent nanocrystals have been used to make flexible X-ray detectors that produce better images of 3D objects than do the flat-panel detectors currently widely used in radiography.