That overreliance on memory could help explain the persistence of these poor readers' problems.
And this probably helps explain the persistence of the austerity cult despite years of failure.
Maureen Smyth, the society's curator, was asked to explain the persistence of the Einstein persona in Princeton and the world.
How else to explain the persistence of our Benny Hill-style giggling at sex, or that Carry On gasp at the glimpse of a nipple?
The popular theory that scat singing began when a vocalist forgot the lyrics may be true, but this origin does not explain the persistence of the style.
"This would help explain the persistence of the philosophical dispute over free will and moral responsibility," Dr. Nichols writes in Science.
The hatred of price-gouging helps explain the persistence of scalpers, who have typically provided two services at once, finding hard-to-get tickets while also absorbing fans' annoyance at high prices.
"A constant influx of new mutations that occur purely by chance, out of the blue, can explain the persistence of schizophrenia in all parts of the world and throughout human history," Professor King said.
Discusses risk-taking behavior... Richard Posner and Tomas Philipson attempted to explain the persistence of unsafe sex among gay men as a result of rational decision-making, but they weren't very successful.
Those who are particularly keen to get their hands on a copy of a new book, for instance, may be willing to pay a higher price for it, which may explain the persistence of expensive hardbacks.
Nevertheless, these constraints are not sufficient to explain the persistence of such a system for more than a millennium.
