How a guy from Montana overturned 150 years of biology
theatlantic.com
theatlantic.com
He didn't overturn 150 years of biology. He found that one little corner of the vastness which is biology was somewhat wrong -- lichen are symbiosis of two fungi and an algae, instead of just one fungus and an algae. Good for him, and he has an interesting backstory, but sheesh.
"Lichenologists all thought that the fungi in the partnership belonged to a group called the ascomycetes—so Spribille had only searched for ascomycete genes. Almost on a whim, he broadened his search to the entire fungal kingdom, and found something bizarre."
Sometimes we need to just throw our hypotheses out the window and look at all the data our tools can give us, especially now that sequencing is so cheap.
http://www.reuters.com/article/us-nobel-chemistry-idUSTRE794...
It's a very nice article that explains how this was discovered. If you like biology, read the article; you'll like it.
Other than that, nice discovery.