Scanning electron microscopy has revealed that the spore surface is covered with column-like processes, up to 0.45 μm high, that may be more or less confluent.
If you're visiting Ghost Ranch in winter, consider hiking to Box Canyon, a dead-end canyon surrounded by 200ft cliffs covered with impressive columns of ice.
As a small group of us stood in a circle inside the vault in which the codex now resides, Michael Maggen, the head of the museum's paper-conservation lab, donned a pair of gloves and carefully lifted one of its unbound pages, covered with three columns of beautiful calligraphy, for us to see.
It had a triple doorway divided by columns and was built from adobe covered with plaster, the columns and walls on eithers side of the doorways were painted with decorations, traces of red, yellow and blue were found by archaeologists, these colours were applied to designs marked out onto a thin cap of clay with a pointed instrument.
There was an enormous canopy of sky-blue cloth decorated with gold stars, supported on columns covered with ivy.
The evening had stretched to almost four hours at that point, and the house was still packed well beyond capacity, the seats and cushions and floor filled, the stage's central columns covered with numerous artist signatures, and the air loopy with all sorts of emotions.
The original travertine ceilings, arches and columns have survived, but the columns are covered with strips of mirror, and the ceilings and arches are obscured by many coats of paint.
In the middle of the room is an unusual winding column covered with delicate carvings that look like rolled leaves.
Mousetails are so named for a long, slender column covered with pistils (female seed-bearing organs) that arises from the centre of the flower.
Both ends of the column covered with 0.45 µm mesh size frits and cell were tightened to prevent leakage of particulates.
