“Police now routinely sample local ponds for increases in giardia when a missing person is reported.”
That is interesting. Hadn’t heard that. I wonder how they obtain baseline giardia levels in the first place for comparison. Would giardia levels increase over the entire pond? Or only in the vicinity of the deceased?
There was a story yesterday that there’s been a big observable spike in THC levels in sewage fluids in states that have legalized marijuana.
You can learn all sorts of things analyzing water and sewage.
:: I wonder how they obtain baseline giardia levels in the first place for comparison. ::
I would assume they can DNA correlate to discern human remains. Not really sure.