Spinal Fluid From Young Mice Sharpened Memories of Older Rodents
When she was successful, Dr. Iram said, the result was about 10 microliters of cerebrospinal fluid — roughly one-fifth of the size of a drop of water. To collect enough for infusions, she had to do the procedure on many hundreds of mice, taming the technical challenges that Dr. Wyss-Coray had warned of by sheer…