Useful Legacy of Nuclear Treaty: Global Earphones: “Though the Senate voted two years

ago to reject a treaty that bans

nuclear testing, one of its provisions is alive

and thriving: the global network of sensors

meant to listen for clandestine nuclear blasts. Though still under construction, the

International Monitoring System is already

yielding a wealth of science spinoffs, detecting violent winds, volcanic eruptions

and the crash of meteoroids from outer space.” New York Times