One million Americans wear false teeth. Approximately half of these are radioactive. There is a tiny amount of uranium in these teeth to make them whiter in incandescent light. Human beings and pigs are the only animals that can get sunburn. Sunburn seems to heal in just a few days, but the blood vessels under the skin do not return to their normal condition for up to fifteen months.
Baseball players have the longest lives of all occupations.
The southpaws also had higher incidence of immunological problems and sleep disorders. The hypothesis behind this phenomenon is that babies who would have normally been right-handers become lefties if they have problems at birth such as long labor or low birth weight. In this case, scientists believe, the reason might be that the equipment of the world is designed primarily for right-handed people. Some gem merchants now use Geiger counters to inspect precious stones before purchasing them. It seems that the natural colors of some gems can be enhanced by exposure to atomic radiation.