One of the unintended consequences of the space race is the amount of junk that's now floating around our planet. Most of it is little stuff, but even something as small as a screw can do a lot of damage when it's moving at 17,000 kilometers per hour. That's why there are now plans to clean up the mess. VOA's Kevin Enochs reports.
California is earthquake country, and residents of Los Angeles can now receive some warning, when conditions are right, after a quake has started and the seismic waves are heading their way. Mike O'Sullivan reports, the long-delayed system called ShakeAlertLA is the first of its kind in the United States.
Infectious diseases like measles were once considered under control in developed countries, but now the World Health Organization warns that we could be facing a global measles outbreak. Cases have seen a sharp rise worldwide, particularly in wealthy countries. VOA's Carol Pearson has more about this terrible disease.