A surprising discovery in the feathers of a fossil vulture from central Italy has revealed that volcanic deposits can ...

However, the pyroclastic flows, composed of fast-moving volcanic material and toxic gas, that charged out of Vesuvius and buried Herculaneum could not have caused the brain tissues of this young ...

They conclude the vitrification was caused by an ash cloud that arrived in Herculaneum before the pyroclastic flows from the volcano. Pyroclastic flows are extremely hot and fast currents of ...