See if you can find the 8 differences in each set of images.
Nanosucculents
Photocatalytically active CuxWyS2 obtained by chemical vapor deposition. False-colored scanning electron microscope image.
Peter Sherrell, Imperial College London, UK.
Apocalyptic future
Scanning electron microscope image (modified) of deep reactive-ion-etched silicon with infiltrated salt.
Julia Kohanek, University of Illinois at Urbana-Champaign, USA.
February 2019 answer key
Answers will be published in the June 2019 issue.