The presence of heavy metals in bioleached materials can adversely affect the growth and metabolic processes of microorganisms.

In a distant land far far away, in an ancient time when the trees still talked, people were in awe over a sine scrolly that bumped before and after a few pillars.

So I wish you luck, but don't come crying to me when it blows up in your face.

July 17, 2014, Elisabetta M. Caspani, Philip H. Crossley, Carolina Redondo-Garcia, Salvador Martinez, “Glioblastoma: A Pathogenic Crosstalk between Tumor Cells and Pericytes”, in PLOS One: