Emily Haavik

Instead of regulating fertilizer, Iowa backs a voluntary program that has little impact.

Other schools are backing away from a disproven theory about how kids learn to read, but programs started by Irene Fountas and Gay Su Pinnell train literacy coaches to believe in it.

DNA analysis has come to be one of the most relied-upon tools in forensic criminology. Here's a look at when it's simple and when it's not.

Estimating the number of human trafficking victims in the United States is notoriously difficult.