New simulation reveals how Earth’s magnetic field first sparked to life

ScienceDaily
Oct 12, 2025, 5:44 am111 ptsTrending
Geophysicists have modeled how Earth’s magnetic field could form even when its core was fully liquid. By removing the effects of viscosity in their simulation, they revealed a self-sustaining dynamo that mirrors today’s mechanism. The results illuminate Earth’s early history, life’s origins, and the…

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