Rock-Flipping Day 2010 is September 12

International Rock-Flipping Day badge
Imagine you’re Godzilla, out for a stroll through the neighborhood. Curious about what the neighbors might be up to, you lift the roofs from their houses and peer inside — though to be honest, this isn’t always terribly illuminating, due to their lamentable penchant for scurrying back and forth in a state of panic, eventually remembering to grab the children and head for the exits. Still, it’s fun finding out who lives where and how funny-looking they all are. You’re careful to put each roof back, and try hard not to crush any of the soft, squirmy, grub-like inhabitants.

That’s kind of what International Rock-Flipping Day is like. Now four years old, this timeless holiday — celebrated this year on Grandparents’ Day — is fun for the whole family. Remember to wear gloves, watch for scorpions and poisonous snakes, and replace all rocks exactly the way you found them. Bring a camera, sketch pad or notebook and record your findings, then post the results to your blog and/or the official Rock-Flipping Day Flickr group. Any and all forms of documentation are welcome: still photos, video, sketches, prose, or poetry. Email your blog link to the coordinator, Susanna at Wanderin’ Weeta: wanderinweeta [at] gmail [dot] com.

You can flip more than one rock, but you should flip them on Sunday, Sept. 12 — unless this is a classroom exercise, in which case we’ll accept rock-flipping results from Friday or Monday. If you don’t have a blog, you can set one up in a couple minutes using the dead-simple Posterous or Tumblr platforms.

Susanna will compile and post a list of links, which participants will be encouraged to re-blog for maximum international rock-flipping camaraderie and link-love. If you’re a Twitterite, the canonical hash-tag is #rockflip. We encourage the sharing of links on Facebook, but would prefer IRFD posts to be fully public on the open web. For more information, read the official announcement at Wanderin’ Weeta.

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Dave Bonta (bio) crowd-sources his problems by following his gut, which he shares with 100 trillion of his closest microbial friends — a close-knit, symbiotic community comprising several thousand species of bacteria, fungi, and protozoa. In a similarly collaborative fashion, all of Dave’s writing is available for reuse and creative remix under a Creative Commons Attribution-ShareAlike 3.0 United States License. For attribution in printed material, his name (Dave Bonta) will suffice, but for web use, please link back to the original. Contact him for permission to waive the “share alike” provision (e.g. for use in a conventionally copyrighted work).


  1. Very cool. I might have to have my kids do this on Friday, though I’ll do it on Sunday.


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