Many people believe that this lake can turn creatures into stone instantly ... The lake gets its high alkalinity from volcanic ash and minerals that flow into it from nearby hills.

A young man was lying in his bed when a viciously hot cloud of ash swept down from the erupting Mount Vesuvius and turned his brain to glass almost 2,000 years ago. That is the theory Italian ...

For several years now, we've been following a tantalizing story indicating that the high heat of the ash cloud generated when Mount Vesuvius erupted in 79 AD was sufficiently hot to turn one of ...