It used to be the source of great skepticism. But now, many consider Wikipedia a public good… and even, the last best place on the internet. As the crowdsourced encyclopedia marks its 25th anniversary, Nora Young speaks with co-founder Jimmy Wales about Wikipedia's early days, criticisms and controversies it's faced around bias, and why it continues to endure in today's digital age of misinformation, disinformation and artificial intelligence.

• Guest host Nora Young speaks with University of Ottawa public and international affairs professor Thomas Juneau, and Jasmine El-Gamal, a Middle East policy analyst and former Pentagon advisor, about how the latest developments in the U.S. and Israel-Iran war

• Author and journalist Simon Winchester explores how wind carries the story of our history and future

• The New York Times global economy reporter Peter S. Goodman explains the global cost of conflict in the Middle East

• Wikipedia co-founder Jimmy Wales reflects on the site's early days, criticisms and controversies it's faced, and why it continues to endure in today's digital age

In our monthly challenge, That's Puzzling!, Piya Chattopadhyay competes against one familiar voice and one clever listener in a battle of brain games devised by puzzle master Peter Brown. Playing this week are actor and comedian Shaun Majumder and Melfort, Sask. listener Susan Plant.