C. R. "Chuck" Downing
shared:
5/17/2017 1:05:05 AM
Reply#SciFact Diatoms, microscopic algae, live in glass houses @SherryFrazier https://t.co/VVPgzrfFs8 pic.twitter.com/qmHOHes6zR
— C.R. Downing (@CRDowningAuthor) May 17, 2017