We’ve never really wondered about how a delicious slab of meat sandwiched between two pieces of bread became a thing, but that doesn’t stop us from being any less enthralled by An Animated History of the Hamburger. Food historian (yes, apparently that’s a thing) George Motz and animator Jorge Corona take everyone through the entire history of the hamburger from raw meat to slider perfection with clever drawings and burger wrappers.

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When it comes to dress shoes, you used to be limited to affordable or well made. That’s a thing of the past with Ace Marks because they’re dedicated to making luxury dress shoes more accessible. By cutting out the middle man and all those big retail mark-ups, Ace Marks is able to bring you a $600 quality dress shoe that’s stylish and professional for under $300. Ace Marks is making the deal even better by giving you an extra $15 off each pair and free domestic shipping with code COOLMATERIAL until December 20th.