|
|
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.
The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.
Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.
![Layers are deposited parallel to Earth’s surface. Younger layers are deposited on top of older layer](https://biology-forums.com/gallery/47/medium_274477_04_02_15_12_24_28_205691492.jpeg)
![The shut-off switch on a GM parallel hybrid truck is green because this system uses 42 volts instead ...](https://biology-forums.com/gallery/29/medium_548020_25_05_17_2_57_29_294921274.png)