For 20 years, astronauts have orbited Earth in what is essentially a sealed bubble- a meticulously maintained environment ...
Before Alien: Romulus gave an official name for the black liquid pathogen, it was simply known as the black goo, or its ...
The syphilis pathogen, Treponema pallidum subsp. pallidum, can now be cultivated in vitro using cottontail rabbit skin cells, eliminating the need for laboratory animals.