Argon is the third most abundant gas in Earth's atmosphere. One of the experts in this episode explains how his lab used argon to create a super-hot plasma, like a miniature sun. The other describes work using a sphere of argon as a dark matter detector. This Element of Surprise segment features the following experts: Alastair Kierulf, PhD student, Analytical Chemistry, Queen's University, and Andrew Erlandson, Applied Physicist, Canadian Nuclear Laboratories.

From the Curio.ca streaming audio-visual collection.