|
|
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).
Hyperthyroidism leads to an increased rate of metabolism and affects about 1% of women but only 0.1% of men. For most people, this increased metabolic rate causes the thyroid gland to become enlarged (known as a goiter).
Pink eye is a term that refers to conjunctivitis, which is inflammation of the thin, clear membrane (conjunctiva) over the white part of the eye (sclera). It may be triggered by a virus, bacteria, or foreign body in the eye. Antibiotic eye drops alleviate bacterial conjunctivitis, and antihistamine allergy pills or eye drops help control allergic conjunctivitis symptoms.
Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.
Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
![The Canadian ballot is considerably simpler than the American ballot. Note there is nothing like a c](https://biology-forums.com/gallery/47/medium_262797_12_08_15_1_37_19_221871018.png)
![A sidewheeler on the Mississippi. In 1856 Samuel Clemens became an apprentice to a steamboat pilot a](https://biology-forums.com/gallery/47/medium_376716_26_08_15_11_14_04_224371495.jpeg)