Sometimes you need to ask yourself: Does this day spark joy? The incomparable Marie Kondo helps overscheduled, overburdened readers tidy up their lives.

What have been the biggest boons and busts in technology this year? Checking in with bitcoins, Elon Musk, and artificial intelligence.

Jesse’s got some big space news. Alien megastructures may be out, but lightsails of artificial origin are officially IN. What a time to be alive!

Holy badly redone movie posters, Batman! Jesse and the folks at Splashtown Waterparks have a whole batch of bad sequels and remakes. Hop on the flume!

Senator Ted Cruz doesn’t know much about climate change. But what he does know is his opinion, which conforms to ExxonMobil. Because, TEXAS!

What is the square root of negative two? You can’t just calculate it. You have to imagine the answer. But somehow, Jesse Stone makes that possible and fun.

Step aside googolplex and “scientific notation.” Hello new mathematical operations and a world of unfathomably large numbers.

Jesse Stone loves Netflix’s The Crown but won’t be watching the Royal Wedding. Read on why the newest royal couple is just a little too millennial for him.