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 ...

Short, unannounced classroom visits are the best way for principals to see representative slices of teaching (not the dog-and-pony show), give credible feedback to teachers, and be players in ...

Add Yahoo as a preferred source to see more of our stories on Google. Didymos, left, and Dimorphos are seen just seconds before the DART mission impact. - NASA/Johns Hopkins APL In 2022, a NASA ...

Observations from the European Space Agency's Mars Express orbiter have been used to create this animation of a butterfly ...

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 ...

The Center for Teaching & Learning (CTL) at CU Boulder offers free and confidential classroom observations for educators at all levels. Whether you’re a tenured professor, teaching professor, lecturer ...

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 ...

SWOT observations of the tsunami wave field offshore Kamchatka about one hour after the earthquake covering the two parallel diagonal lines cutting across the image. The measurements allowed the ...