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Who Will Debunk The Debunkers?

Shared by Radhika Narayanan | 0 142 28 | about 1 year ago

In 2012, network scientist and data theorist Samuel Arbesman published a disturbing thesis: What we think of as established knowledge decays over time. According to his book “The Half-Life of Facts,” certain kinds of propositions that may seem bulletproof today will be forgotten by next Tuesday; one’s reality can end up out of date. Take, for example, the story of Popeye and his spinach.

Popeye loved his leafy greens and used them to obtain his super strength, Arbesman’s book explained, because the cartoon’s creators knew that spinach has a lot of iron. Indeed, the character would be a major evangelist for spinach in the 1930s, and it’s said he helped increase the green’s consumption in the U.S. by one-third. But this “fact” about the iron content of spinach was already on the verge of being obsolete, Arbesman said: In 1937, scientists realized that the original measurement of the iron in 100 grams of spinach — 35 milligrams — was off by a factor of 10. That’s because a German chemist named Erich von Wolff had misplaced a decimal point in his notebook back in 1870, and the goof persisted in the literature for more than half a century.use the cartoon’s creators knew that spinach has a lot of iron.

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