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

Healthcare relates to planning, managing, and providing therapeutic and wellness services, diagnostic services, health informatics, support services, and biotechnology research and development.

Janellyn explores the benefits of prescribed burns and how they relate to convection with United States Fire Management Officer Persephone Whelen. Janellyn also learns about the various tools firefighters use and the safety precautions they must take in the field.