Spaced learning is an effective alternative to the traditional massed-learning approach, unlocking greater potential for both teaching and learning.

The mission, designated W-2, is the second by California-based Varda Space Industries and the first under a multi-year agreement with AFRL. The payload is known as OSPREE (Optical Sensing of ...

In his second term, Trump will also have the opportunity to make some important appointments – for instance, filling a current commissioner vacancy on the U.S. Equal Employment Opportunity ...