Noted inventor Thomas Edison at the lightbulb's golden jubilee anniversary banquet in his honor, Orange, New Jersey, October 16, 1929. He is exhibiting in his hand a replica of his first successful ...

As we say “so long” to summer, let’s look back on the top news stories of June, July and August to see what’s been happening and how news in our world continues to unfold. Plus, a chance to win a PBS ...

What is a Lesson Plan? An effective lesson plan demonstrates how a teacher creates objectives for his or her students and measures how those objectives are mastered. Creating a lesson plan begins with ...