There is only one male northern white rhino left in the world. His name is Sudan, he's 42-years old -- practically geriatric in rhino terms. His sperm count is low and his hind legs are weak -- meaning he's in no position to mate.
'Cymatics' is the science of visualizing audio frequencies. Musician Nigel Stanford and Director Shahir Duad explain how they used various techniques and materials to create stunning visual effects that correspond to the music.