Left: A human cancer cell, stained to show the mitotic spindle with DNA in blue (DAPI), microtubules in green, and kinetochores in red (CENP-A)
Right: an immature neuron grown from an established human embryonic stem cell line in vitro. TUJ1 (beta III tubulin) in green, DNA in blue (DAPI), and CD44 in red.
Middle: yours truly (click for link to my Community of Science profile)