Julia dusts off her binoculars and sun hat this week to survey the world's deserts: how they're formed, where they're located, which places you should avoid, and much more. [If you thought that deserts were just a bunch of sand, then you're in for quite a treat.] Later, enjoy a quiz called "Desert Rose"!

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[Music: 1) Little Glass Men, "Desert Castles," 2015. Courtesy of Ryan Claus/Little Glass Men, CC BY 4.0 license; 2) Frau Holle, “Ascending Souls,” 2017. Courtesy of Frau Holle, CC BY-NC 3.0 license.]