Saltwater Lakes in Siwa Oasis, Egypt Have Such a High Concentration of Salt That Makes It Impossible to Sink Some places are ...

Lake Natron is a soda lake in northern Tanzania with a volcanic geology that maintains the water's pH around 10.5, which is almost as caustic as ammonia. Some life-forms thrive there nevertheless.

‡ School of Mechanical and Materials Engineering, Washington State University, Pullman, Washington 99164, United States § Department of Physics and Astronomy, University of California, 4129H Frederick ...