The mysteries of the Dead Sea
The landlocked Dead Sea of the Middle East is Earth's lowest spot on land. The current Dead Sea shoreline lies about 1,300 feet below sea level but it's dropping at a rate of about 4 feet per year. Yael Kiro is Geochemist at Columbia University and is using layers of salt from the seabed to study the significance of this change.
Aired: 08/07/17Video has closed captioning.