There are many likely causes: road salt (particularly in the Midwest and Northeast, where increased freshwater salinity is concentrated), sewage, mining, fertilizers used in agriculture.
It was the first time when terrorists applied a massed drone aircraft attack launched at a range of more than 50 km using modern GPS guidance systems
Did SpaceX’s secret Zuma mission actually fail?
Hidden Cell Phone Secrets Exposed.
We go on the street of the U.K to talk about the internet police arresting people for offensive speech.
Russian weather satellite launch goes awry.