Why are school buses yellow?

(WHTM/NEXSTAR) — You probably see school buses out and about pretty much every day when school is in session. But have you wondered why school buses are yellow and not a color like bright green?
It's not for looks or because the U.S. Department of Education loves the color yellow — it's more about science and safety.The future of electric carsAccording to the Children's Museum of Indianapolis, the practice dates back to 1939, when Frank W. Cyr, also known as the "father of the school