One of the most interesting things to talk about in math classes is the difference between correlation and causation. For example, there is a correlation between the number of movies Elijah Wood ...

In the first case, there is a strong upward-sloping relationship between X and Y; in the second case, no apparent relationship; in the third case, a strong downward-sloping relationship. Note the ...

Figure 1: A general strategy for transcriptome–interactome correlation mapping. Figure 3: Transcriptome–interactome correlation maps for sporulation and cell-stress data sets (see legend of Fig. 2).