Describes the nature of a clinical study. Types include: Observational study — observes people and measures outcomes without affecting results. Interventional study (clinical trial) — studies new ...

A Texas company — driven by a mission to create faster, better and more affordable housing — is 3D printing homes. It's also working with NASA to 3D print on the Moon. Lesley Stahl reports.

As the iconic film turns 50, test your knowledge of "Jaws" with a deep-dive quiz crafted by Globe film critic Odie Henderson.