'... learn how a screw's shape can pull things together or push things apart or even move heavy o...

Sound: Pitch, Volume, Music, and Noise with Hands-On Science Activities for Kids is a symphony of...

Sound: Pitch, Volume, Music, and Noise with Hands-On Science Activities for Kids is a symphony of...

Follows Dorothy Vaughan's path from math teacher to 'human computer' as well as her success as fi...

Explores the language and themes of Shakespeare's plays and examines the playwright's reach in to...

Fossil Huntress: Mary Leakey, Paleontologist , introduces children ages 5 to 8 to Mary Leakey, a ...

Have you ever floated on waves in the ocean? Have you ever stood in a human wave at a baseball game?

Examines what technology is, how it evolved, and where the future might lead, focusing on three w...

Do you have a lot of energy? What else has energy? Just about everything that moves!

Have you ever floated on waves in the ocean? Have you ever stood in a human wave at a baseball game?

'What's it like to travel among the stars? What can we learn by doing science experiments in spac...

'Romeo, Romeo, wherefore art thou Romeo?' Teenagers have been sighing an approximation of these w...