The Kinder Institute's Heather O'Connell explains the link between race, income and streetlights in Houston.

Does a streetlight lurk over your house and shine a bright, white light on your second-story window? Whether you notice them or not, streetlights are a vital part of any residential area.

Dr. Heather O'Connell, a postdoctoral fellow at the Kinder Institute, analyzed how the placement and density of streetlights varies across Houston, depending on factors like race and income of a community.

In the video above, she shares three takeaways from her new study, "Streetlights in the City: Understanding the Distribution of Houston Streetlights."