"Image of the silica cell wall of the diatom Didymosphenia geminata from Rio Espolon, Chile."
Photographer: Sarah Spaulding, USGS, Public domain, via Wikimedia Commons.
"Image of the silica cell wall of the diatom Didymosphenia geminata from Rio Espolon, Chile."
Photographer: Sarah Spaulding, USGS, Public domain, via Wikimedia Commons.