Biologists have grown super-size dragonflies that are 15 percent larger than normal by raising the insects, from start to finish, in chambers emulating Earth’s oxygen conditions 300 million years ago. The research, presented Nov. 1 at the Geological Society of America’s annual meeting in Denver, Colorado, provides more support to the idea that big ancient animals and high-oxygen concentrations weren’t coincidental. It may also offer an instrument to help gauge Earth’s ancient atmospheric conditions.
FULL article/source - http://www.wired.com/wiredscience/2010/11/huge-dragonflies-oxygen/
