Microbes show up on schedule after death
![E. coli](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2015/12/121015_mr_time-of-death_free.jpg?fit=860%2C460&ssl=1)
MICROBIAL CLOCK Telltale crews of microbes (including bacteria from a group called Enterobacteria, shown here) colonize the soil beneath a decomposing body during different stages of decay.
NIAID/Flickr (CC BY 2.0)