The public can vote for their favorite image Monday through noon Friday in Pacific Northwest National Laboratory's Science as Art contest.
For the fifth year, PNNL has asked its scientists and engineers to submit the most striking images they've collected through their research.
The 55 entries are posted on PNNL's Facebook page and the one with the most votes or "likes" will win the People's Choice Award.
PNNL's Facebook Page is at www.facebook.com/PNNLgov.
Only those who follow PNNL's Facebook page can like an image.