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Ancient insects grew massive, and scientists say oxygen may not explain it after allFor years, giant prehistoric insects were considered proof that Earth once needed oxygen-rich air to sustain oversized life ...
Giant prehistoric insects may not have depended on high oxygen levels after all. Scientists now think something else must ...
Ancient Earth once buzzed with enormous dragonfly-like insects, and scientists long thought high oxygen levels made their size possible. A new study overturns that idea, revealing insect flight ...
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