More than a decade after being recognized as the Arkansas 2007 teacher of the year, Justin Minkel still found himself flustered when his principal slipped into the back row of class. “When my ...

As the rubber hits the road in the implementation of states’ revamped teacher-evaluation systems, new research illuminates a troubling source of bias. School principals—when conducting classroom ...

The study of climate change has been based strongly on data collected from instruments, but how local people perceive such changes remains poorly quantified. We conducted a meta-analysis of climatic ...

Despite the ocean’s critical role in Earth’s climate, observations for some of the key ocean climate properties are either only short-term (10-20 years duration) or insufficient to understand ...

Earth observations are essential to understanding Earth systems and addressing global challenges. With associated data, repositories, and products, they drive innovation, support U.S. economic and ...