Feather Rae Colombe (from left) appeared in the Lakota student video More Than That. Kim Bos is a video technology teacher who helped produce the video. Student John Whirlwind Soldier directed the video. Jim Kent hide caption

Pinwheels like these are often used to test nerve responses. iStockphoto.com hide caption

Astrophysicist Neil deGrasse Tyson says valuing space exploration "transforms the culture into one that values science and technology." AP hide caption