Glass rarely occurs naturally as it needs a liquid to cool rapidly and not crystallise ... Based on this analysis and studies ...

“Obsidian glass, that is a volcanic glass, forms when lava is very ... Cryopreservation involves cooling organs in liquid nitrogen to prevent ice formation, stabilizing them in a solid-like ...

When it cools down rapidly, it forms obsidian. This is a natural volcanic glass. This process is very unlikely to happen to human tissues because they are mostly made of water.

There is a glass of liquid in between you and the lamp ... liquid oceans and a hydrogen atmosphere but others have countered it could be a gas giant, or a volcanic planet full of magma.

Photo by Todd Kristensen Volcanic glass has been discovered at more than 500 archaeological sites in western Canada. Geologically-speaking, it shouldn’t be there. Now, researchers may have ...