This week on Unexplainable or Not, the newest member of our team, Julia Longoria, tries to figure out which of three scientific mysteries about the sea, the land, and the sky has actually been solved.

Guest: Admir Masic, associate professor of civil and environmental engineering at MIT.For show transcripts, go to vox.com/unxtranscriptsFor more, go to vox.com/unexplainableAnd please email us! unexplainable@vox.comWe read every email.Support Unexplainable by becoming a Vox Member today: vox.com/membersLearn more about your ad choices. Visit podcastchoices.com/adchoices