Hot Rocks: Magnetic "Poles" Once at The Equator

Hot Rocks: Magnetic "Poles" Once at The Equator: "It has been 780,000 years since the last reversal, so we may be long overdue one. But will lethal radiation from space bombard the Earth, as it drops its protective magnetic shield during the reversal? Italian scientists studying one of the most mysterious natural phenomena say that polarity reversals seem to occur in clusters, indicating some kind of 'memory' of previous events."