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James Choi
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James Choi

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Woolly mammoth was not on the dinner menu in 1951
A Yale-led analysis has shown that a famous morsel of meat from a 1951 Explorers Club dinner is not, in fact, a hunk of woolly mammoth. It is green sea turtle meat, most likely set aside from the soup course. The event, held Jan. 13, 1951 in the Grand Ballr...
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James Choi

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What happens when you double teacher salaries?
How does a large unconditional increase in salary affect employee performance in the public sector? We present the first experimental evidence on this question to date in the context of a unique policy change in Indonesia that led to a permanent doubling of...
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Einstein had imposter syndrom
The exaggerated esteem in which my lifework is held makes me very ill at ease. I feel compelled to think of myself as an involuntary swindler. --Albert Einstein confiding to a friend a month before his death
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The societal downside of flexible work schedules
As I discovered in a study that I published with my colleague Chaeyoon Lim in the journal Sociological Science, it’s not just that we have a shortage of free time; it’s also that our free time, in order to be satisfying, often must align with that of our fr...
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Partisan bias and its cure: money
Did unemployment get better or worse during Ronald Reagan’s presidency? In a 1988 survey, some 80 percent of dedicated Republicans accurately said it had improved, compared with 30 percent of loyal Democrats. In the 1990s, the pattern reversed on a range of...
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Making it easier to say no: Personal policies
Time-use surveys reveal that we have more leisure time than in decades past—but you’d hardly know it from how busy everyone feels. A prime reason for our modern busyness is, of course, our inability to just say no... to the endless demands on our time. So h...
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James Choi

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Understanding Iron Mike
Unfortunately the same can't be said for Mike Tyson , who plays the decidedly limited role of a bilingual, "foreign devil" crime boss who eventually goes mano a mano with [Donnie] Yen [in the movie  Ip Man 3 ]. Likely unintentional but nevertheless helpful,...
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How to erase fear
New research suggests that it may be possible not just to change certain types of emotional memories, but even to erase them. We’ve learned that memories are uniquely vulnerable to alteration at two points: when we first lay them down, and later, when we re...
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The Machiavellian reason to let North Korea have nukes
In one meeting, [a North Korean] official asked, “Why do the president and secretary of state keep saying that the United States will not allow North Korea to have nuclear weapons when in fact you are not doing much to stop us?” He deduced that there must b...
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Advice to female economists: Don't coauthor with men
[Harvard economics graduate student Heather] Sarsons compiled data on the publication records of young economists recruited by top universities in the United States over the last 40 years. ... While women in the field publish as much as men, they are twice ...
[Harvard economics graduate student Heather] Sarsons compiled data on the publication records of young economists recruited by top universities in the United States over the last 40 years. ... While women in the field publish...
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What happens to stuff you buy and then return
Little known to shoppers, however, is that a majority of returned items never make it back to retailers’ shelves. Instead, the items wind their way through liquidators, wholesalers and resellers, many of the purchases ending up in landfills. According to so...
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Where to get your bone marrow stem cell transplant
Below are one-year survival rates for allogeneic stem cell transplants done from 2011-2013 at every transplant center in the U.S. (Data here .) The last column indicates whether the survival rate was higher than the 95% confidence interval given the case mi...
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Have him in circles
64 people
김남수's profile photo
David Tuan's profile photo
willn33's profile photo
Albert Yang's profile photo
Robert Powell's profile photo
Nara Sugino's profile photo
Xiaoqian Yang's profile photo
Tim Nicolette's profile photo
Shinae Kang's profile photo
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