"That’s above my pay level." Eletra touched the back of her neck uneasily. Physical reactions are supposed to be useful for determining whether humans are telling the truth or lying or are secretly planning to murder their whole survey team, etc., and sometimes they were. But also sometimes humans just secreted agitated brain chemicals for no apparent reason, or because something was physically wrong, like their digestive systems malfunctioning. But ART’s scan of Eletra showed she was experiencing signs of physical distress when she talked about the implants. "Was that what was in us?" she said. "Those implants? Did they have strange synthetics? Your coworker took one apart."