Television host and author Bill Nye has returned with his Bill Nye The Science Guy app.

Twenty years ago, Nye launched that popular science show for kids, writing a number of books as well: Bill Nye the Science Guy’s Great Big Book of Tiny GermsBill Nye the Science Guy’s Big Blue Ocean and more. AppNewser has more about the app:

To celebrate the 20th anniversary of his television show, Bill Nye The Science Guy has returned with a free app. TVNewser senior editor Alex Weprin discussed the Disney app on the Morning Media Menu today, talking about Nye’s legacy and the features on the app.