Tracy Caldwell Dyson, Astronaut, describes how she discovered that she wanted to be an astronaut. She compares the excitement of "launch" versus "landing" and describes the thrill of being your own “satellite” during her three space walks.

Tracy Caldwell Dyson, Astronaut, describes what it's like working with Russian cosmonauts on the International Space Station.

Dancers and choreographers use dance performances to express ideas and stories. There are many types of dance, such as ballet, tango, modern dance, tap, and jazz.