As the nation marks 250 years since the signing of the Declaration of Independence, the Smithsonian invites educators to ...

Great ideas for education practices pop up all the time: on my social feeds, in newsletters, and as part of professional ...

You probably don't give much thought to brushing your teeth since you've been doing it for as long as you can remember. However, it's important to pay attention to the way you brush them if you want ...

National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...