There’s making an entrance and then there’s making an entrance. Beloved science educator Bill Nye made one of the latter recently while he was just trying to get beween floors.

This week, a popular Knowledge Dude revealed that he possesses “about 500" bow ties, but can you guess which one?

Everybody’s favorite fall time meme, the KXVO Pumpkin Dance, has returned to help us usher in our spookiest season. This year, thanks to the @dancingpmkin Twitter account, you can watch the pumpkin man dance to a wide variety of songs, most delightfully, the theme song for Bill Nye the Science Guy.

It's always wonderful to see children's television staffers pay care and attention to the important details of their shows. And this short list of Bill Nye the Science Guy's "Rules of the Road" lays out the basics of creating an engaging show that gets people excited about learning.

Want to school your kids in some science and sociology? Why not go old school? Some of the educational shows that you grew up on are still just as excellent — and relevant — as they were back in the day.

I can't look at Bill Nye and imagine him as anything other than the Science Guy. Hell, I can barely think of science without thinking about Bill Nye so I've never really thought about how Bill Nye became the Science Guy... until now. Turns out, it happened mostly because he's so awesome.

Check out our favorite science guy, Bill Nye, struggle to be tactful when all he wants to do is explain science to people. That's why we love you, Bill. This Fox host loves you, too. Science, maybe less so. [Mediaite]

Click to viewHaving once been an oil skimmer himself, Bill Nye knows just as much about oil spills as he does about every other scientific topic. So leave it to him to succinctly and simply explain the challenges of cleaning one up.

Talking with Bill Nye the Science Guy is like meeting your favorite HS science teacher in a bar—the conversation might flail wildly, but you learn something at every twist. This week, I picked his brain about, well, brains.

Exclusive: Bill Nye the Science Guy was gracious enough to elbow Matt out of the way and write a Giz Explains column, in which he tackles the science of "oleophobia," and its relation to the new iPhone screen.