|
|
In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.
A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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).
Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.
![Rinne test: A. Place the base of the tuning fork on the mastoid process. B. Place tuning fork in fro](https://biology-forums.com/gallery/47/medium_18099_27_10_12_3_59_37.jpeg)
![Tai chi walk along straight line. From tai chi stance, shift weight to the back leg and turn the ...](https://biology-forums.com/gallery/32/medium_380798_21_08_17_1_23_12_327291872.jpeg)