Nina investigates how humans know about dinosaurs with the help of Luke, her sight neuron.

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

Meet the Neurons (0:55); --How Do We Know About Dinosaurs? (2:25); -- Senses Experiment (2:31); -- Marine Life Fossils (2:51); -- What Can Dinosaur Footprints Tell Us? (3:24); -- Summary: How Do We Know About Dinosaurs? (0:33); -- Credits: Dinosaurs—Nina & the Neurons: Earth Explorers (1:33); .