Explore the best free AI tools for teachers in 2026. From lesson planning and grading to research and design, these tools ...

Make NotebookLM AI slides editable: export creations as PDF, convert to PowerPoint in Canva, and open in Google Slides via Drive for extra tweaks.

The original Medical Research Council (MRC) dyspnoea scale was developed by the British MRC in the 1950s, and it was first formally published in 1961 in a study on chronic bronchitis.1 It was designed ...

Rail commuters in cold climates like Sweden’s are all too familiar with winter train delays and cancellations. The culprit is usually rail switches ...

Winter travel can be hazardous. The information provided here is designed for educational use only and is not a substitute for specific training or experience. Princeton University and the author ...