A haunting sound produced by sand dunes at only around 30 sites in the world has proven a mystery for centuries. That is, until Caltech professor Melany Hunt began taking groups of students into the desert to finally figure it out.Modulus https://twitter.com/modulusmagHostsBrian McManus https://twitter.com/TheBrianMcManusStephanie Sammann https://twitter.com/stephaniesammaErica Corder https://twitter.com/EricaCorder See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.