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Giant Insects' Size Limit Not Due to Oxygen Levels

Primul articol: 28 mar. 2026, 14:30 | Ultima actualizare: 28 mar. 2026, 14:30 | 1 sursa | 1 articol

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For years, scientists have theorized that high oxygen levels in the Earth's atmosphere allowed giant insects like the Meganeuropsis permiana, which had a wingspan of 70 cm, to thrive. However, new research from Professor Edward Snelling challenges this hypothesis. The study suggests that oxygen availability was not the limiting factor in insect size, implying that other environmental or biological constraints were at play.

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Explanation for why we don't see two-foot-long dragonflies anymore fails Foto: Ars Technica
Ars Technica English 28 mar. 2026, 14:30 (acum 2 ore)

Explanation for why we don't see two-foot-long dragonflies anymore fails

Breathing capacity could have compensated for lower atmospheric oxygen.

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