Barry Marshall, from Quack to Nobel Prize

Medical breakthroughs are often discovered by doctors who were initially ridiculed by other doctors. In 1982 Dr. Barry Marshall presented at the Australian Gastroenterological Society claiming that stomach ulcers were caused by infection, and could not finish as he was laughed off stage. Research over the next 10 years proved that hypothesis to be correct and in 2005 Dr. Marshall was awarded the Nobel Prize for the discovery.
Barry Marshall, from Quack to Nobel Prize

Brains of elderly slow because they know so much

A new study in the Journal of Topics in Cognative Science comes to the conclusion that older people do not decline mentally with age, it just takes them longer to recall facts because they have more information in their brains, scientists believe.
Much like a computer struggles as the hard drive gets full up, so to do humans take longer to access information, it has been suggested

http://www.telegraph.co.uk/science/science-news/10584927/Brains-of-elderly-slow-because-they-know-so-much.html