Jessica Orwig: No. It really does look like human fat. Jones: That's me and my boss opening up a lava lamp. [glugging] Oh! Are we getting these noises, guys? Our goal was simple: to figure out ...

But at about 12:45 p.m., small fountains within the south vent fed a third small lava flow until 2 p.m. when fountaining began at the north vent, scientists said. The north vent fountain were ...

Video footage shows the skiers coming down the slopes with glowing, molten lava flowing in the background. One skier was also captured celebrating the feat after he propels through the snow.

Today’s activity marks the 12th episode of lava flowing in the crater since the current on-again, off-again eruption began on Dec. 23. HVO geologists said the latest episode began when “small ...