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Did you know?
Vaccines prevent between 2.5 and 4 million deaths every year.
Did you know?
Approximately 500,000 babies are born each year in the United States to teenage mothers.
Did you know?
The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
Did you know?
Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.
Did you know?
On average, the stomach produces 2 L of hydrochloric acid per day.