Add Yahoo as a preferred source to see more of our stories on Google. The griffinfly, now extinct, once stretched its wings nearly 70 centimeters wide. (CREDIT: Werner Kraus / Wikimedia / CC BY-SA 4.0 ...
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Insects with 70-centimetre wings once ruled Earth, new study reveals why they grew so huge
Some 300 million years ago, giant insects soared over Earth’s wetlands, with wings stretching almost 70 centimetres wide. A new study challenges the long-held idea that abundant atmospheric oxygen ...
Scientists are rethinking why prehistoric giant insects grew so massive as new research challenges the long-accepted oxygen theory insects explanation behind ancient insect gigantism. Michael Pointner ...
The extinct griffinfly had a wingspan of up to 70cm. Werner Kraus / Wikimedia, CC BY Insects first took to the skies about 350 million years ago, some 200 million years before birds first flapped ...
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