NASA
Nasa: Los Misterios Del Cancer
One of the greatest dangers of space travel is the development of cancer through exposure to radiation in space. Scientists discuss studies of the development of cancer and its relation to this particular type of radiation.
TeachEngineering
Teach Engineering: Our Amazing Skeleton
This lesson covers the topic of human bones and joints. Students learn about the skeleton, the number of and types of bones in the body, and how outer space affects astronauts' bones. Students also learn how to take care of their bones...