MSNBC’s Alicia Menendez is joined by EXPLR founder Jenny Buccos and co-founder Kari Byron to discuss the first-ever national STEM challenge; and how it can help inspire the next generation of ...

Kari Byron, who is best known for her work on "Mythbusters," is the host of the new TV show "Crash Test World." She's photographed here in New York City. An undated photo of Jenny Buccos, the ...