|
|
Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.
The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.
Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.
Walt Disney helped combat malaria by making an animated film in 1943 called The Winged Scourge. This short film starred the seven dwarfs and taught children that mosquitos transmit malaria, which is a very bad disease. It advocated the killing of mosquitos to stop the disease.
Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.
![As cities evolve, so does architecture. This photo is of the Exhibition and Conference Center in ...](https://biology-forums.com/gallery/28/medium_482573_20_04_17_1_39_59_280191583.png)
![A histologic slide showing the sponge-like architecture of a patient with Creutzfeldt-Jakob Disease.](https://biology-forums.com/gallery/29/medium_548020_11_05_17_3_50_42_29047222.jpeg)