Extras

NOVA

Doomsday Volcanoes - Preview

Preview: S40 Ep1 | 30s

Could the explosion of Iceland's ticking time bombs cause cold and famine worldwide?

NOVA

Meet the Volcanoes

Clip: S40 Ep1 | 2m 57s

Volcanoes can come in many shapes and sizes.

NOVA

A Volcanic Labyrinth

Clip: S40 Ep1 | 2m 59s

See the only place on the Earth where scientists can study a volcano from the inside.