In a follow - up poll, the researchers presented more than 250 people with a 1996 New York Times article, stripped of its date, reporting evidence of fossilized
nanobacteria in a Martian meteorite.
'' [I'm studying] the possible role of
nanobacteria in symbiotically precipitating hard parts of organisms, from clam shells to dinosaur teeth,» says Folk.
So far Kajander and his colleagues have found
the nanobacteria in cattle blood, in 80 % of samples of commercial cow serum in which mammalian cells are grown in the lab, and in the blood of nearly 6 % of more than 1000 Finnish adults tested.
Not exact matches
Although
nanobacteria may not cause kidney stone disease, Coe notes additional circumstantial evidence: At least four teams have reported tiny spherical deposits
in the calcified plaques that often appear
in the kidneys of patients who suffer from kidney stones.
Physicist Andrei Sommer of the University of Ulm
in Germany and mathematician N. Chandra Wickramasinghe of Cardiff University
in Wales think
nanobacteria are
in the atmosphere.
If the two researchers are correct,
nanobacteria originate
in human bodies, where they were first discovered
in kidney stones nearly a decade ago.
A biophysicist suggested that the iron atoms trapped
in the
nanobacterium's cell walls could be on - off switches, encoding
in chains of Boolean logic information analogous to information encoded
in DNA.