Nina and the Neurons

Coal (8x21)

Data di messa in onda: Nov 25, 2013

Nina investigates how coal was made - with the help of Ollie, her smell neuron. Explorers Cameron, Jaydan and Mia visit Nina in her workshop and discover that coal is a rock which is made from old trees and plants from many, many years ago. Next they visit a real coal mine to see how coal is collected from underground and how scientists know where the coal is.