precursor

"But which tremor signals are true precursors of an eruption, and which are just background 'gurgling'? Our results lay the foundation for improving eruption forecasting in the future."

Researchers from MIT and collaborating institutions have uncovered exceptionally rare traces of "proto Earth," the ancient precursor to our planet that existed about 4.5 billion years ago.

To achieve this, the Auburn team created innovative material structures called Surface Immobilized Electrides by attaching solvated electron precursors to stable surfaces such as diamond and silicon carbide.

A state of emergency is a precursor to enacting an eviction moratorium for households that have lost income due to the raids.

Normally, oligodendrocyte precursor cells develop into mature myelin-producing cells that repair nerve insulation.