Brady unboxes a massive collection of whistles. More links below ↓↓↓ Objectivity on Patreon: https://www.patreon.com/objectivity Check out some more Objectivity episodes... Darwin's Barometer: https://www.youtube.com/watch?v=aOakJPOT_0Q Peculiar Musical Instruments: https://www.youtube.com/watch?v=0WCsfoF6oJ8 Subscribe to Objectivity: http://bit.ly/Objectivity_Sub Films by James Hennessy and Brady Haran Royal Society website: http://bit.ly/Royal_Society The Royal Society's own YouTube channel: null Facebook: https://www.facebook.com/ObjectivityVideos Twitter: https://twitter.com/objectivity_vid Patron thank you page: http://www.bradyharanblog.com/objectivity-patrons Objectivity T-Shirts: null