New U.S. Medicare cards prompt warnings about phone scams

New U.S. Medicare cards prompt warnings about phone scams

CHICAGO (Reuters) – (The writer is a Reuters columnist. The opinions expressed are his own.) FILE PHOTO: A cake to celebrate the 52nd Anniversary of Medicare and Medicaid is seen on Capitol Hill in Washington, U.S., July 27, 2017. REUTERS/Yuri Gripas/File Photo Navigating Medicare can be complicated, but one big change recently introduced requires that […]

Sound waves may be able to trigger earlier tsunami warnings

Sound waves may be able to trigger earlier tsunami warnings

Can sound waves improve tsunami warning systems?ERNESTO BENAVIDES/AFP/Getty Images By Mika McKinnon When a tsunami is barreling towards a coastline, the only way to stay safe is to flee to higher ground. But even when people are far enough away from the start of the tsunami to have hours of warning, no one really knows […]