If you have ever been to Europe you may have noticed police and ambulance sirens sound a little bit different. It turns out that difference is based on science. Now cities around the U.S. are thinking about adopting this system and the reason might surprise you.
Stop robocalls once and for all
Robocalls are not only annoying, but they scam Americans out of millions every year. Learn Kim's tricks for stopping them for good in this handy guide.