When working on the drawings for the issue I made many versions of the same image, duplicating and reworking them over and over again.
Many of these are mirror-image duplicates of others, and others die before having to make all the choices in their ruleset, leaving 411 distinct species (412 if the infinite straight-line worm is included).
There are hallucinations in which images duplicate or multiply, much like a Warhol print sequence, and hallucinations in which people are haunted — as in a Poe or a Henry James story — by their doppelgängers.
The donation was executed formally by the Estate of Thomas Harvey, MD, and includes a number of items in addition to the images duplicated here.
In fact, the entire house is an image, a duplicated, living image of itself and its occupants, whose stairs we tramp, whose thresholds we cross or recoil from, whose basements we crawl about in - not once, but twice.
Furthermore, to avoid mirror-image symmetrical duplicates, the worm's first turn must be a right hand turn.
The wild-type bright-field image is duplicated from.
The image is duplicated to exhibit the neighboring residues for each amino acid.
The image was duplicated and flattened to remove all layers except the excised ACF on a white background.
Briefly, the ten consecutive z-stack images were summed, the summed image was duplicated, converted to 8-bit grayscale, and then thresholded to produce a binary image (Additional file 1: Figure S6, and S7).
