Plus: Jeff Douglas on the meaning of “I Am Canadian” then…and now.

Also: Scientist David Kring on what we can learn from massive canyons on the moon.

Plus: A cave explorer finds a fungus that turns spiders into zombies…so it can kill them.

Also: An Ottawa furniture store owner on why sourcing Canadian products is easier said than done.

Plus: New research on bonobos shows the unique human ability to guess what's going on in the minds of others isn't so unique.

Also: . A site on the North Saskatchewan River is revealed to be one of the oldest examples of Indigenous civilization in North America. A Métis archaeologist tells us he could feel that history the first time he saw it.

Plus: When a teenager fell into icy water, Indiana's David Fisher grabbed his double Dutch ropes and jumped into action.

Also: After a Canadian father comes forward to say his child is purchasing illicit drugs on Snapchat, we'll hear from an American dad about his ongoing fight to hold the social platform accountable for the death of his son.

Plus: The story of a “Pistol Packin’ Mama” who spent decades wanted for murder, undetected in Taber, Alberta.

Also: Liz Pelly, author of Mood Machine: The Rise of Spotify and the Costs of the Perfect Playlist.

She worked with Spencer Lane, a 16 year old victim of the DC plane crash.

Also: How Newfoundland and Labrador’s snow crab fishery is preparing for the prospect of devastating US tariffs; and we reach former Bernie Sanders campaign manager Faiz Shakir, who’s running to lead the Democratic National Committee

Plus: The Danish scientists who thought they’d found some fossilized plants…which turned out to be something much more interesting: ancient vomit.

Also: Casey Katims of the U.S. Climate Alliance on trying to forge a path ahead with states, after Trump pulls the U.S. out of a key international agreement.

Plus: Receding alpine ice reveals a beautifully preserved forest of 6,000 year old trees, and its secrets are both thrilling and frightening.

Also: We hear from Washington Post theatre critic Naveen Kumar who temporarily lost the ability to sit, and how standing changed his perspective on the medium he's spent so long covering.