Two days before hundreds of deadly tornadoes swept through the South on April 27 and 28, meteorologists were telling people in that part of the country to get ready for powerful twisters.But those same meteorologists have no idea whether there will be a similar outbreak of tornadoes next week or nex
Last April, a volcanic eruption in Iceland sent a cloud of ash billowing towards Europe. That ash was potentially hazardous for aircraft, and authorities decided to ground all flights — inconveniencing tens of thousands of travelers — rather than risk an accident.
Although images of dead birds and blackened marshes in the Gulf of Mexico are gone, many scientists say it's too early to declare a recovery. They suspect there could be hidden damage to the Gulf's marine life and marshes.