Not very close to being on topic, but here it is anyway
Scientists have known for decades that hidden under those impressive
vistas at sites such as Death Valley and Yellowstone National Park are
magma pools that under the right conditions can trigger explosive
eruptions.
Now, new research is changing scientists' understanding of the timing
of those eruptions, and prompting them to call for greater monitoring
of sites to help save lives when the next big volcano explodes.
<more at>
http://vimeo.com/35396305