Master the right-hand rule in physics with this easy-to-follow tutorial! In this video, we explain how to use the right-hand rule correctly to determine directions of magnetic fields, currents, and ...

NPR's Up First is the news you need to start your day. The three biggest stories of the day, with reporting and analysis from NPR News — in 10 minutes. Available weekdays at 6:30 a.m. ET, with hosts ...

February 18, 2026 • U.S. and Iranian negotiators agree to keep talking after meetings in Geneva, even as President Trump threatens military force and Tehran warns it could retaliate. February 17, 2026 ...