Friday 13th facts: Last year had 3 Friday the 13ths, which fell exactly 13 weeks apart; Napoleon was triskaidekaphobic—he had a fear of the No. 13, and more

Cleve Backster published a book called “Primary Perception: Biocommunication with Plants, Living Foods, and Human Cells” in 2003, the first comprehensive account of his work that he authored himself. In it he details all the different things he monitored—up the line from plants, bacteria, and eggs to animal cells such as blood from beefsteak, to human cells.