Every year humanity produces nearly 300 million tons of plastic. Only a fraction ever gets recycled. Most ends up in rivers, ...

The joy in the room is palpable when the cast of "Aladdin Jr." closes out its performance by singing the "Glee" version of "Don't Stop Believin'." The song isn't even part of the show, but it's the ...

Physics and Python stuff. Most of the videos here are either adapted from class lectures or solving physics problems. I really like to use numerical calculations without all the fancy programming ...

Included in the unit plan are five days' worth of engaging, highly detailed lesson plans, printable instructional materials, ...