|
|
A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.
Oliver Wendell Holmes is credited with introducing the words "anesthesia" and "anesthetic" into the English language in 1846.
Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.
Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
Astigmatism is the most common vision problem. It may accompany nearsightedness or farsightedness. It is usually caused by an irregularly shaped cornea, but sometimes it is the result of an irregularly shaped lens. Either type can be corrected by eyeglasses, contact lenses, or refractive surgery.
![The American Lion was one of the abundant Pleistocene megafauna, a wide variety of very large mammal](https://biology-forums.com/gallery/47/medium_27673_23_04_12_4_30_01.jpeg)
![Phyllis Schlafly drew much of her support from working-class women who were left vulnerable by the ...](https://biology-forums.com/gallery/47/medium_646588_06_12_16_2_57_09_2423685.jpeg)