Join Liz and Jill as they answer the questions “Why are the tops of some waves white?” and “What is the busiest airport in the world?” We also recommend the book “Willowdeen” and share a fact of the day about a bee bus stop. To submit your own question go to KDL.org/stump or email us at [email protected] 

Regarding waves:

What Are Waves? | Science at the Beach! | SciShow Kids 

https://kids.britannica.com/students/article/wave/276157 

https://en.wikipedia.org/wiki/Wind_wave 

Regarding Airports:

https://www.oldest.org/structures/oldest-airports-in-us/ 

https://en.wikipedia.org/wiki/Denver_International_Airport 

https://usabynumbers.com/smallest-airports-in-the-us/ 

https://www.cnbc.com/2023/04/10/world-busiest-airports-airports-council-international-ranking.html 

https://www.cntraveler.com/galleries/2014-11-24/the-best-and-worst-airports-in-america-readers-choice-awards-2014