|
|
About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.
Interferon was scarce and expensive until 1980, when the interferon gene was inserted into bacteria using recombinant DNA technology, allowing for mass cultivation and purification from bacterial cultures.
To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.
The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.
Illicit drug use costs the United States approximately $181 billion every year.
![(a) Feeding by bear on salmon results in large allochthonous inputs of nutrients into (b) the forest](https://biology-forums.com/gallery/47/medium_33_17_02_12_7_02_16_20341303.jpeg)
![Mutual symbiosis between clownfish of the genus Amphiprion that dwell among the tentacles of tropica](https://biology-forums.com/gallery/47/medium_12359_21_04_12_2_43_08.jpeg)