Science, Health and Technology

Friday is National Amber Alert Day.  Law enforcement officials across the nation are recognizing the importance of the Amber Alert System, which is a high-speed, high-tech way of alerting the public when a child has been abducted. According to the Missouri State Highway Patrol, there’s been some misunderstanding about the criteria that must be met before the alert can go out.

The body of a Missouri highway patrolman who disappeared while watching over flooded areas last summer was found Thursday not far from the original search area, authorities said.

New research out of the University of Missouri shows that when it comes to female mate preference in a certain species of tree frog, there may be more than meets the eye.  Females may actually prefer the calls of males that share the same number of chromosomes.

This week on the show: a former engineer calls for an investigation of the Callaway nuclear plant. Plus, new research may provide insight into how a species of treefrog evolved.

A former engineer at the Callaway Nuclear Plant is requesting that the US Nuclear Regulatory Commission, or NRC, look into possible violations of the operating license at the Callaway plant, owned and operated by Ameren Missouri.

By Janet Saidi

Ameren’s coal-fired power plant in Labadie is among the top ten greenhouse gas emitters in the country. That’s according to data released today [on Wednesday] by the U.S. Environmental Protection Agency. Véronique LaCapra reports, from St. Louis.