Sven was silent while he stared in his non-seeing way. He didn't need a mask; he could even go outside the dome without one. "Native to China, and imported to Mars by the AgVen consortium. Turned out to be remarkably resistant to high carbon dioxide concentrations, moving much higher into the terraformed canyons than many other animals. Is also highly resistant to higher arsenic concentrations in the vegetation resulting from high carbon dioxide concentrations—" "God, his areogenesis proof. Even more so because the damn things are so rare on Earth. Sven, has any part of this theory ever passed academic scrutiny?" "No. There may once have been cross-contamination between Mars and Earth, but nothing at that scale and to suggest that a higher life form inherited traits from a bacteria is pu