Scientists rethink why giant insects once ruled the skies, finding oxygen may not explain their size or disappearance.
3don MSN
Massive insect body size 300 million years ago may not have been due to high atmospheric oxygen
Three-hundred-million years ago, Earth was very different. The continents had coalesced into Pangea, which was dominated in ...
Irked by irritating insects? Be glad you didn’t live in the late Carboniferous period. Three hundred million years ago, jumbo bugs zipped along with 2-foot-wide wingspans — nearly the size of a crow’s ...
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