Fava Bean Stem Cells (left): Stem cells chill in the tips of roots and shoots, active sites of cell division. In the micrograph, you can see the nuclei stained dark blue and some caught in mid-mitosis. Human Embryonic Stem Cells (right): The blue blobs are human embryonic stem cells living in culture
“The universe seems to like talking to itself faster than the speed of light,” said Steinberg. “I could understand a universe where nothing can go faster than light, but a universe where the internal workings operate faster than light, and yet we’re forbi
This image from Nasa's Spitzer Space Telescope shows a stellar nursery containing thousand of young stars & developing protostars near the sword of the constellation Orion. I heart the Spitzer space telescope.