Every month KNME's Science Central asks experts from a wide range of fields the question "Why did you become a scientist?"

Visit Why did you become a scientist? Website

Full Episodes | 46

See All


Watch videos from your favorite PBS KIDS shows with the PBS KIDS Video app for your tablet or phone.

Downton Abbey Collection

Bring home the complete collection: DVDs, Blu-rays, books, gifts and more. Visit ShopPBS.


WLIW21 helps all of us explore new worlds and ideas. Give Now