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As of Mar 26
ScienceUnited States1 sourcesNeutral

Giant Dragonflies With 2-Foot Wingspans Ruled the Skies 300 Million Years Ago — But Oxygen May Not Explain Why

Learn how ancient oxygen levels in the Paleozoic era were linked to giant insect size, and why that theory is now being questioned

Discover Magazine
via Discover Magazine
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This story was independently reported by 1 sources. Click any source to read the original article.

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