Desert temperatures can fluctuate greatly between day and night, due to the poor heat-retaining properties of sand and a lack of humidity.
Life's Little Mysteries answers fascinating questions about the world around you and the stuff in it, including wild questions you didn't even know you had.
And check out our "Life's Little Mysteries" podcast, where we answer questions about mysteries big and small — about ancient civilizations; our planet and solar system; the plants and animals that live alongside us; our bodies and how they work; and more. Listen in on Apple podcasts, Spotify and Audioboom.
As legend goes, if Punxsutawney Phil sees his shadow on Groundhog Day, you should expect six more weeks of winter; if he doesn't, plan for spring.