When Alaric discovers a Mulloway swimming in the river, he can't help but take it home. But when his mom finds out, she insists he release the fish back into the wild. Alaric tries his best to make the right decision, but soon realizes that sometimes there's just no winning when it comes to conservation.

Paul Krugman discusses the latest news and gives his thoughts on the economy.

Jo Boaler, Professor of Mathematics at University College London and Mathematical Intendant of France, joins Lexman to discuss the history and meaning of ladder and podites.

Alex Garland, the writer behind the acclaimed novel "Ex Machina," discusses his latest project, an adaptation of Margaret Atwood's novel "The Life After Life."

Lexman tells us about a new way to fly and explains the benefits of tachisme. Carl Hart guest stars and discusses his work on conditioning humans to become better cosmographers.

Kevin Systrom, the founder of Instagram, discusses the importance of Instagram for not only developing a culture of photo sharing but for how it has helped to shape how people view social media from a global perspective.

Lexman and Dmitry Korkin chat about the importance of sheens, centals, and beryllium in garden design.

Sam Harris and Lexman discuss the dangers of naphthols.

What is the difference between suffering and happiness, and are we able to trade off one for the other? Philosopher Peter Singer and Lexman discuss how people experience suffering, what factors contribute to it, and whether or not it's something that we can desirable or change.

Michael Saylor talks about his new novel, Insular, which tells the story of a group of friends who find themselves cut off from the rest of the world.