Uploaded April 2021 | Updated September 2026, 3 weeks ago

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Special guest Mark Rober takes Brady through some of his personal objects. More links below ↓↓↓

Objectivity on Patreon: patreon.com/objectivity

Check out Mark's channel: youtube.com/markrober

Subscribe to Objectivity: bit.ly/Objectivity_Sub

Films by James Hennessy and Brady Haran

Royal Society website: bit.ly/Royal_Society
The Royal Society's own YouTube channel: youtube.com/user/RoyalSociety

Facebook: facebook.com/ObjectivityVideos
Twitter: twitter.com/objectivity_vid

Patron thank you page: bradyharanblog.com/objectivity-patrons

Objectivity T-Shirts: teespring.com/stores/objectivity

Wait by Why calendar: store.waitbutwhy.com/products/life-calendar-24in-x-36in

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