#early-earth-geology

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#historical-astronomy #rotator-cuff-degeneration #zircon-crystals #tectonic-plate-movement
OMG science
fromNature
3 days ago

Daily briefing: Galileo's notes discovered in the margins of an ancient book

Tectonic plates moved 3.3 billion years ago with higher oxygen levels; Galileo's annotations discovered in 400-year-old Ptolemy text; rotator cuff degeneration common in older adults regardless of symptoms.
OMG science
fromNature
4 days ago

Earth's oldest crystals suggest an early start for plate tectonics

Ancient Australian zircon crystals reveal early Earth had more oxygen and water than expected, with tectonic plate movement occurring at least 3.3 billion years ago, suggesting conditions more favorable for life than previously believed.
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