When Sanchez later injected the vaccinated guinea pigs with lethal amounts of live Ebola, none of the effectively immunized animals became sick or died. (sciencemag.org)
Some orbited a pulsar — a highly magnetized stellar corpse that expels lethal amounts of radiation into space. (webbtelescope.org)
Unfortunately, they seem to like the taste of many foods, plants, and chemicals that are poisonous to them, and they can ingest a dangerous or lethal amount in a short time. (nylabone.com)