Reader Kirk asks: "What's the proper way to submit a question for Matt Soniak? Maybe you have a sufficient backlog to keep you busy and aren't taking any more questions at the moment because I can't find contact info in these posts or on Matt's author page. Are we just supposed to leave them in the comments?"

I talked to Mr. Soniak, and here's how you can talk to him, too: "If you've got a burning question that you'd like to see answered on mentalfloss.com, shoot an email to flossymatt (at) gmail (dot) com. Twitter users can also make nice with me and ask me questions there. Be sure to give me your name and location so I can give you a little shout out."

Between his current list of topics, his day job at Whole Foods, and a big real estate transaction, Matt's going to be a little busy this month. But we'll be going over his June slate of stories in a week or two, so we'd love to hear your suggestions. Here are some of Matt's greatest hits:

What Is Catnip and Why Are Cats Crazy for It?
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Why Does Bottled Water Have an Expiration Date?
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How Does Scratch and Sniff Work?

You can read all of his articles here.