Walking thru the deep snows today and I find myself thinking about the space around me…….again. There’s the hard material world and then there’s just so much that is invisible to us. That’s what I’m looking at. And here’s a small birch tree with some leaves still clinging. I don’t know why some birch will hold onto their leaves, what’s the evolutionary advantage for that behavior? But I thought that looking longer at this might be useful so here it is.