|
|
Patients who have undergone chemotherapy for the treatment of cancer often complain of a lack of mental focus; memory loss; and a general diminution in abilities such as multitasking, attention span, and general mental agility.
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).
Computer programs are available that crosscheck a new drug's possible trade name with all other trade names currently available. These programs detect dangerous similarities between names and alert the manufacturer of the drug.
During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).
Vampire bats have a natural anticoagulant in their saliva that permits continuous bleeding after they painlessly open a wound with their incisors. This capillary blood does not cause any significant blood loss to their victims.
![Three Tasmanian devils feeding. Eating is a social event for the Tasmanian devil, and groups of 2 to](https://biology-forums.com/gallery/47/medium_27692_23_04_12_4_15_26.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)