Why terrariums are suddenly all the rage...again

You might have seen terrariums all over your social media feed, but you might not know that there's a long history to these self-contained little tabletop worlds.

In this episode, Don and John talk about the history of terrariums and how you might go about putting one together for yourself as a way to beat the winter cold. And speaking of winter, they also go into the cold-weather phenomenon of "exploding trees."