10. Mr. Gist Croft Skin cells from a patient with amyotrophic lateral sclerosis were reprogrammed to become stem cells that then differentiated into motor neurons, the cells afflicted in the disease. Gist Croft of Columbia University and Mackenzie Weygandt of Project ALS used an inverted fluorescent microscope to take snapshots of the motor neurons’ 25-micron-wide nuclei (green) and their long, connecting fibers, or axons (red), to compare diseased cells with their healthy counterparts...