Space debris, comprising non-functional satellites, spent rocket stages, and fragmentation remnants, poses a significant risk to current and future space operations. The continuous growth of debris in ...

In clinical trials with multiple visits, dropouts often occur and the population of patients who dropped out may be different from the population of patients who completed the study. To assess ...

In the early stages of the pandemic, it was thought that antibodies produced post-infection with severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) provide a certain degree of protection ...

Regulators and payers use hospital readmissions as an indicator of quality of care, but the omission of observation stays provides an incomplete picture, according to a paper in this week’s New ...

Until this year, America’s civil space policies—and the budgets that derive from it—were shaped to a considerable degree by the political imperatives of the past and by the romantic fiction of ...