[The enthusiasm endears her, though she'd still prefer a lab. Rosalind lifts her skirts just slightly, stepping carefully along the banks, trying to get as close as possible without actually getting wet.]

Is that another way of you volunteering? I'd be indebted if you did. And yes, I've heard those stories . . . but that's superstitious nonsense. I'll wager the true culprits are algae and bacteria, nothing more.