|
|
According to the CDC, approximately 31.7% of the U.S. population has high low-density lipoprotein (LDL) or "bad cholesterol" levels.
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 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).
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.
Everyone has one nostril that is larger than the other.
![Children in Baltimore (1909) pull the stringy parts from beans in preparation for canning. Photograp](https://biology-forums.com/gallery/47/medium_376716_26_08_15_11_19_26_224511187.jpeg)
![It is important for new employees to know the location of all fire extinguishers. (A) Pull the pin ...](https://biology-forums.com/gallery/47/medium_665046_01_03_17_9_46_54_26114310.jpeg)