|
|
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.
Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.
More than 4.4billion prescriptions were dispensed within the United States in 2016.
The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.
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).
![Hiatal hernia. (a) The hernia occurs when the stomach protrudes through the diaphragm and into the t](https://biology-forums.com/gallery/47/medium_14755_26_10_12_5_23_53_96861610.jpeg)
![In the 1960s, social psychologists did highly creative but controversial experiments. This photo, ...](https://biology-forums.com/gallery/27/medium_660366_10_04_17_11_51_16_276521222.png)