THE Philosophical Transactions of the Royal Society of London for the year 1677 contain the first published account of the minute organisms to which the term “Infusoria” is now very generally applied.

The embargo for this release has been changed to 7 p.m. EST Sept. 12. In contrast to previous findings, it seems that the global distribution of macro- and microorganisms might be similar. A study in ...

SUBMARGINAL banding of various bacteria and protozoa in the covered mounted drop of culture is familiar. It is due to the organisms seeking the zone of optimum oxygen tension. Certain bacteria and ...