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Vaccines cause herd immunity. If the majority of people in a community have been vaccinated against a disease, an unvaccinated person is less likely to get the disease since others are less likely to become sick from it and spread the disease.
Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.
Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.
It is difficult to obtain enough calcium without consuming milk or other dairy foods.
The Kingsley plantation, on Fort George Island in Jacksonville, Florida. Zephaniah Kingsley, the own
The “Big Four” world leaders meet at the Hotel Crillon in Paris, 1919. From left to right (front row
Dolores Huerta and Cesar Chavez, leaders of the United Farm Workers, discuss their 1968 strike of ...


