Uh-oh

Discover the implications of this intriguing photographic evidence and why honesty is essential in its interpretation.

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I'll admit that for a while now I've been unsure what to do with the following bit of photographic evidence that happened to fall into my hands. But, following PZ's sterling example, our first duty must always be to honesty, and let the chips fall where they may.

Whatever can it be?

Sean Carroll
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