The explorers visit Death Valley in America to look at how the heat has dried up all the water.

Originally released by BBC, 2013. Streaming video file encoded with permission for digital streaming by Infobase on November 17, 2016.

Meet the Neurons (0:56); --What is a Desert? (2:26); -- Senses Experiment (4:23); -- Salt Water Experiment (2:43); -- Nighttime Desert Temperatures (1:38); -- Summary: What is a Desert? (0:34); -- Credits: Deserts—Nina & the Neurons: Earth Explorers (1:31); .