![](https://www.nasa.gov/sites/default/files/thumbnails/image/ksc-20171016-ph_csh01_0005_0.jpg)
At NASA's Kennedy Space Center, organisms in a Petri plate are exposed to blue excitation lighting in a Spectrum prototype unit. NASA scientists and engineers are developing experiments to determine how different organisms, such as plants, microbes or worms, develop under conditions of microgravity. via NASA http://ift.tt/2ySUIzn