|
|
Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.
Patients who have been on total parenteral nutrition for more than a few days may need to have foods gradually reintroduced to give the digestive tract time to start working again.
In 1864, the first barbiturate (barbituric acid) was synthesized.
The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.
Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).
![The Cordulegastridae are a family of Odonata (dragonflies) from the suborder Anisoptera. They are co](https://biology-forums.com/gallery/47/medium_12359_26_04_12_5_12_28.jpeg)
![The family of a soldier in the 31st Philadelphia Infantry camps near Washington, DC. Although both a](https://biology-forums.com/gallery/47/medium_376021_22_08_15_1_40_23_223592010.jpeg)
![This photo captures an extreme form of family socialization. The father seems to be more emotionally ...](https://biology-forums.com/gallery/47/medium_660365_19_12_16_11_52_44_24344627.png)