Agostino Petroni/Undark

More from Agostino Petroni/Undark

Tourists visit the Solfatara crater, part of the Campi Flegrei Volcano, the biggest caldera of Italy.
Conservation

Up the coast from Pompeii, another city grows on top of an underground volcano

By Agostino Petroni/Undark

Purple wine grapes in a California vineyard
Agriculture

An accidental discovery could save a popular, struggling grapevine

By Agostino Petroni/Undark

Blue and purple leishmania cells stained under a microscope
Climate Change

Flesh-eating parasites are on the rise in the US

By Agostino Petroni/Undark