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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.
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.
Although puberty usually occurs in the early teenage years, the world's youngest parents were two Chinese children who had their first baby when they were 8 and 9 years of age.
The people with the highest levels of LDL are Mexican American males and non-Hispanic black females.