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Author Question: How does resistance to drugs spread in bacterial populations? (Read 1274 times) |
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
There are 60,000 miles of blood vessels in every adult human.
Approximately 500,000 babies are born each year in the United States to teenage mothers.
There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.
More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.