GOOD SCIENCE
RUNNING SCARED: It’s estimated that police car chases in the U.S. kill up to 2,500 people each year.
VICTOR CALZADA/THE EL PASO TIMES/AP
HIGH-SPEED police pursuits are a newscast staple because the footage is so dramatic—but also because something often goes awry. Annual estimates of the damage due to police chases range from 8,000 to 55,000 injuries, and 350 to 2,500 deaths. More than a third of those killed are bystanders or passengers. Leonard Stock, a 50-year-old roofer from Peoria, Arizona, has devised a relatively low-tech solution in his garage that he believes can save lives.