>Its most recent eruption came in the form of syrupy flows 70,000 years ago.

>Previous work at Yellowstone revealed two magma reservoirs: one of gloopy magma 3 miles to 10 miles below the surface, and a far more enormous store of runnier magma 12 miles to 30 miles down. It was thought that roughly 2 percent of the deeper reservoir and 5 percent to 15 percent of the shallower reservoir were made of melt.

These descriptions of viscosity are making me hungry.