String Theory: Fascinating, Not Science Fiction

February 28, 2013 - 6:00am

<em>Tell Me More</em> has been honoring Black History Month by speaking with African-Americans who've excelled in STEM fields — science, technology, engineering and math. Sylvester James Gates Jr. spent his career researching string theory. He explains to host Michel Martin that, while it seems like science fiction, it's really anything but.