Nina investigates whether Loch Ness has always looked the same with the help of Felix, her touch neuron.

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); --Has Loch Ness Always Looked Like This? (2:29); -- Senses Experiment (4:18); -- Proving the Glacier's Existence (2:36); -- Rock Formation Experiment (1:27); -- Summary: Has Loch Ness Always Looked Like This? (0:41); -- Credits: Loch Ness—Nina & the Neurons: Earth Explorers (1:34); .