translation.en: Now, the beauty of a soup is that because it is soup, you can agitate it and make those nuclei be distributed homogeneously in the liquid, so that now by looking under the microscope at just four or five samples of this homogeneous solution, you can count nuclei, and therefore tell how many cells that brain had.
translation.zh: 现在，这个液体的魅力在于因为它是液体， 可以摇晃它，并使这些细胞核 在液体中均匀分布 所以，现在通过在显微镜下观察 只需四个或五个 这种细胞核均匀分布的样本 你可以数数原子核，并能够知道 有多少脑细胞了。