"I'm sure it couldn't hurt to take a sample and I will have access to labs when we get to the city." Supposedly anyway, if Jonas was allowed to continue John's research right away. Or at least, start some of his own under the guise of continuing. "It might give us some answers about what happened here." Because he'd believe scientific fact over history any day. He may have dabbled as an anthropologist but he was first and foremost a scientist.