Crop diversity fruit trees and banana plants) are cloned. A single pest or disease could threaten a whole crop due to this uniformity ("genetic erosion"). A well-known historic case was the Irish Potato Famine of 1845-1847, where a vital crop with low diversity was destroyed by a single fungus. Another example is when a disease caused by a fungus affected the monocultured 1970 US corn crop, causing a loss of over one billion dollars in production. A danger to agriculture is wheat rust, a pathogenic fungus causing reddish patches, coloured by its spores. A virulent form of the wheat disease, stem rust,
Sergio Aragonés Destroys DC Sergio Aragonés Destroys DC Sergio Aragonés Destroys DC is a comic book written by Sergio Aragonés and Mark Evanier and published in 1996. The book is a satire of DC Comics characters. They also produced an equivalent at Marvel Comics, called "Sergio Aragonés Massacres Marvel". The story starts with a meeting between Martian Manhunter and the Hawkman, who has been crying for help. Hawkman warns him (and several other characters from DCU) that a great danger is coming to all superheroes, but he doesn't say what kind of danger is coming. Aragonés and Evanier have a talk in which is