If last night's episode was an indication, then the Planetary Union needs to revisit its first contact protocols. Mercer and his away team were visiting an industrialized world for the first time, and they never factored in one concept: contamination - cultural, technological, and biological. Imagine extraterrestrial beings arriving on Earth, and within a few hours, they were given a tour of the local hospital - the delivery room and nursery of all places!
"If you're wondering how they eat and breathe, or other science facts..."