Search Results: Strontium isotope

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Mastodon tusk chemical analysis reveals the first evidence of one extinct animal’s annual migration

According to the first study to document the annual migration of an individual animal from an extinct species, a roving male mastodon died in...

Scientists found a clue to the source of Earth’s water

The source of Earth's water has been a longstanding debate. Lawrence Livermore National Laboratory found an answer by looking at rocks from the moon. The Earth-moon system formed...

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