Legend has it that the Greek mathematician Archimedes ran naked in the streets shouting "Eureka!" when, in his bath, he came up with a way to measure the purity of gold. While most modern scientists keep their clothes on, their enthusiasm for discovery remains unabated. "It's exploding like an egg!" exclaims William Chadwick Jr. of Oregon State University as he watches the first-ever video of an erupting underwater volcano, NW Rota-1. Chadwick, along with a team from the National Oceanic and Atmospheric Administration (co-sponsors of the new Ocean Hall), used a remote camera to record this 2006 event.
Coconut octopuses are among the most intelligent invertebrates around: They use tools, carry their shelters around for when they need them, and, fittingly, adopt an underwater walking motion that's very similar to humans.