I suspect that many people took a sufficient-unto-the-day-is-the-evil-thereof attitude toward the book [The Hell Bomb (1951) by William L. Laurence], and toward the bomb. Time enough to worry after the scientists got a little further along.

Our common Marsh Mallows have diverse soft, hoary white stalks rising to be three or four foot high, spreading forth many branches.

Alfred, surprised to meet his father, whom he thought absent from home, […] stood, holding his firelock in one hand, and his hat in the other […]

The simple L-shaped or J-shaped snorkel is the simplest latter alternatives are more likely to be of interest to people like finswimmers, octopushers and spearfishers who work hard while snorkelling.