Dazzling and deadly: Five facts about volcanoes
The eruption of a volcano near the Philippine capital has delivered a dazzling but highly dangerous spectacle since it began spewing superheated steam on Sunday.The Taal volcano's bursts of lightning and monster clouds of ash have drawn crowds of gaping observers, but also prompted thousands to flee from its fury.Here are five facts about the mix of beauty and terror that volcanoes produce: Lightning Large eruptions sometimes put on a stunning display of lightning strik