There was no weather under the great lozenge-shaped dome. The entire gigantic structure was basically a monster intensive-care ward, all mobile shutters and glaring lights and vast air-sucking zeolite filters, with a constant thrum of deeply buried generators. The Collaboratory’s biotech labs were constructed like forts. The personal residences, by stark contrast, lacked serious walls, roofs, or insulation. The flimsy dorms were small, tightly packed, and noisy.