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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.
The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.