What Happens When Molten Lava Meets Ice?


What happens when you pour something incredibly hot, like molten lava, onto something incredibly cold, say a dense block of ice? Like most people, you probably imagined it would melt a hole right through and, eventually, probably melt all the ice.

The research found that lava didn’t always just melt through the ice, and flow under the surface. When lava was poured directly onto densely packed ice, the lava was able to flow over the simulated glacier at rates of tens of centimeters a second, lubricated by a layer of steam.



Cute Baby Hippo Emma Swims with Human Mom

Two month old hippopotamus calf, Emma, frolicks with surrogate mom Petronel Niewoudt of Care for Wild Africa. The name comes from the ancient Greek for "River horse".

Birth of a Damselfly

What a beautiful insect the damselfly is.

Conjoined Twin Brothers Refuse To Be Separated

Doctors have told 12-year-old conjoined twin brothers that it would be possible to separate them, but the two boys, who share two legs and four arms, are saying they’d rather stick together.

Hyenas Wrestling With Kevin Richardson

Join Kevin Richardson in a full VR experience as he hangs with five Hyneas in Pretoria, South Africa. The story of a remarkable young hyena and one man’s quest to change people’s misconceptions of these remarkable animals.