> If we bio-engineered some plants to create pockets of lighter gas they could float in the air. Those plants would also need to be able live in an atmosphere

> If we bio-engineered some plants to create pockets of lighter gas they could float in the air. Those plants would also need to be able live in an atmosphere that contains seven times more sulfuric acid than water vapors. It's not easy to sustain protein life outside of Earth. Still a nicer place than Mars, I agree.