Civil engineer, here.<br><br>I work with water projects and am fascinated by this cross-section of synthetic/designed infrastructure and biological infrastructure.<br><br>Never heard of clam use in PL before but now glad that I did. Thank you for your investigation !<br><br>"Bio-monitoring" I'll keep this concept on my radar.,(reply>), funnily put. so in a way working menstruation cycle is biomonitor for certain mRNA experiment too?,(reply>), @jon culp <br>POLAND ,Polska<br>;),(reply>), Here's what the internet is for.,(reply>), @TA my cat alerts me if there are unknown people outside or inside, by making sound and looking deep into my eyes,(reply>), @jon culp Poland.