Wonder

This is a moderately close up picture of a rock in the yard down the street. It caught my eye a while ago because of the unusual nature of the holes in the rock.

It doesn’t quite look volcanic. Maybe it’s coral? But it doesn’t look like any that I’ve seen before. Perhaps just a strange type of erosion based on the different materials that originally made up the rock? But the holes don’t look like the kind of shapes that usually result from mixing.

So it’s a mystery, at least to me. What should we make of such things?

Read more