At a Glance 2019 saw 215 whales stranded on beaches, and many of them died.New research trying to understand how and why this was happening shows that whales quite possibly use the Earth’s magnetic field to self navigate. Solar storms can disrupt the magnetic field, thus rendering the whales blind – and stranded. Solar storms that mess with the Earth’s magnetic field are thought to be interfering with gray whales’ internal GPS, causing them to strand on beaches and die,...