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Author Question: Steven Levitt argues that one reason why crime rates fell in the 1990s was the legalization of ... (Read 36 times) |
Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
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.
Asthma cases in Americans are about 75% higher today than they were in 1980.
About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.