Bill Nye is trying to change the world — one science-themed project at a time. The first book in his new series for kids, “Jack and the Geniuses: At the Bottom of the World,” was released early this month, and his Netflix talk show, “Bill Nye Saves the World,” dropped Friday. Here, the 61-year-old “Science Guy,” who lives on the Upper West Side, tells Andrea Morabito how he likes to spend his weekends in the city.

In the mornings, I often make scones. There’s a well-known brand of scone mix, Fisher, and I’ll make myself a scone and a poached egg. The other thing I do is go to Gartner’s Hardware. I come up with something I need, like some Gorilla Glue.

I lift weights pretty much every day. The other day I went to Fitness Showrooms and bought another pair of dumbbells. It’s good to have in-between weights — 12 ¹/₂ pounds, 17 ¹/₂ pounds. I will take a couple laps in Central Park on my bicycle — I am trying to get in some miles because I’m going to ride the Five Boro Bike Tour in May.

A couple weeks ago, I took a gallery tour with Rafael Risemberg, [who] runs New York Gallery Tours. What a character! It’s stuff that I don’t know you would see anywhere else. There are a whole bunch of galleries in Chelsea, he picks seven, it’s two hours and you go, “Wow, if I had $25,000, this would be great. And, also, I’d need a bigger apartment.”

I’m an associate of the American Museum of Natural History, so now and then I go there for a lecture. And [planetarium director] Neil deGrasse Tyson is a close friend of mine; I spend a lot of time with him. We’ll go out for hors d’oeuvres and wine at Isabella’s.

The thing that I do often is go swing dancing — at Swing 46, the Iguana now and then. I went swing dancing at Tavern on the Green a few weeks ago. You meet people there. If you’re a guy, it takes quite a while [before] women don’t mind dancing with you.

When baseball season starts, I freaking love to go to Citi Field. I grew up in Washington, DC, so I am a Nationals fan, but I do respect the Mets. Of all these things, that’s probably my favorite thing to do. The new Yankee Stadium? I get it, but it’s not for me.