The process is called Enzyme-Linked Immunosorbent Assay, or ELISA. Antibodies are produced by mammals when a foreign substance -- an antigen -- gets into their blood. In food, a mold produces mold ...
Flies, small flying gnat-like insects, and steady lines of ants both dead and alive have been found, as well as black mold like substances, green algal growth, and ample amounts of blood in ...