Insect Gigantism: Oxygen Supply Not a Limit | Nature
<p>Imagine a dragonfly with a two-foot wingspan. For insects alive 300 million years ago, this wasn’t fantasy – it was reality. For decades, the prevailing theory attributed this gigantism to significantly higher oxygen levels in the Earth’s atmosphere, allowing for more efficient respiration. But a groundbreaking new study, published in <em>Nature</em>, suggests this explanation is … Read more