david

david

2 years · Edited Editing

We owe our existence to changes to the Earth’s inner core #evolution #originoflife

Explosion of life on Earth linked to heavy metal act at planet’s centre
https://www.theguardian.com/science/2022/jul/03/explosion-of-life-on-earth-linked-to-heavy-metal-act-at-planets-centre

Formation of solid iron core 550m years ago restored magnetic field and protected surface

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