Weekly Photo Challenge: Tiny

As a biologist, the challenge of finding an image to match the prompt ‘tiny’ goes to one topic: microscopy.

The first image below is a microscope image of cells with normal lighting (a little darker actually than most microscopy). Then next below that is when the lights in the microscope room are turned off, we shine a particular wavelength of light on the cells, and they become fluorescent! If you compare the images you will find that these are indeed the same cells and that the images are taken just seconds apart. We have engineered the cells to produce a fluorescent protein, which makes them incredibly useful for many scientific pruposes.





via Photo Challenge: Tiny


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