Cuttlefish have passed a test designed for small human children. Polaroid has made a pen that draws in edible 3D candy. What we can learn from cats about being happier and more content with life. And a website that translates your typing into jazz music.Sponsors:Indeed, Get a free $75 credit at Indeed.com/GOODNEWSMint Mobile, Get a new wireless plan for just $15 a month mintmobile.com/kottkeLinks:A Cephalopod Has Passed a Cognitive Test Designed For Human Children (Science Alert)Cuttlefish can pass the marshmallow test (Ars Technica) Polaroid Made a Pen That Lets You Draw Pieces of Candy (Gizmodo)Feline philosophy: what humans can learn from cats (Vox)Jazz Keys (Plan8) Digitally Reading 17-Century Locked Letters (Kottke)Meet this year’s winners of the Dance Your PhD contest (Ars Technica)Kottke.OrgJackson Bird on TwitterSee Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.