科学美国人60秒 SSS 2013-09-19

 This Scientific Americans 60 Seconds Science. I'm Wit Games, got a minute.A bad infection can make you delirious 1, but mind clears once germs are gone, usually. Not so when researchers recently injected mice with taxol plasma 2 Ganede, this parasites 4 protozoan only get amorous 5 inside gut 6 of cat. The resulting fertilized 7 eggs wind up a litter box , their challenge is grow up get back inside the feline 8. The solution gets eaten by a mouse that gets eaten by a cat. The expelled egg wait until it become a meal for a mouse, the parasites then move to the mouse's brain where they stop the rodent 9 from fearing the smell of cat urine, the delirious mouse approaches Lafite and *  , parasites find its way home. In past trials mice almost always died of this kind of infection, this study use weaker strains taxol and the mice recovered but they stay blowzy about the cat's smell, that curable infection can cause permanent behavior changes is worrisome, because the same parasite 3 infects 60 million people in the US alone, most cases produce no symptoms but some evidence links chronic 10 infections to schizophrenia and a cluster other mental illness known unscientifically as crazy cat lady syndrome 11.