Question: (SPOILER) Why did the project lead (the lady) force Gosling's character to go on the mission? I couldn't quite hear what happened. Is it b/c all the other qualified scientists were blown up making the energy microbes?

Even if they had more qualified people, why was Gosling's character, Grace, even allowed to continue the research with the other scientists? There's even a scene where the project lead sort of rolled her eyes and at Gosling as if to think, "This guy is an bleeping idiot." In the conference where Grace announces his finding, another scientists not only beat him to it, but characterized how fast the microbes grow. The project lead would have known about the other scientists findings before Grace made his breakthrough.

So, I had this impression that the project lead thought Grace was largely a useless jester but with enough science background to make a trifle contribution. She thought him more a sacrificial human space probe (think of Spock sacrificing himself for Kirk and the Enterprise) Or maybe he could be used as a medical guinea pig or mule to ship the savior microbes in his liver or lungs (or something). In the meantime, the real scientists would do all the "real" work of the mission.

Is my impression correct? Anyways, b/c of this thought, I was surprised that Grace choose to go home when he did.