1. Color came to the big screen, thanks to a few guys in a railroad car. Reporter Edgar B. Herwick III tells the story of Technicolor.

2. Thousands of teachers depend on one website to get markers and microscopes that their schools can’t afford. DonorsChoose CEO Charles Best explains why he started the crowd funding giant - and where it goes next.

3. If you want your daughter to get interested in STEM, you might want to consider asking Santa for a saw instead of a Barbie. Roominate co-founder Alice Brooks explains how early childhood experiences can spark a love of engineering and technology.

Filter view by: