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Significant Digits For Tuesday, April 14, 2015

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0.00055 percent

The probability the asteroid 2012 TC4 — which is about the size of a house — hits the earth in October 2017. “Defund NASA,” they said. “Why spend the money on more telescopes,” they said. []

11.9 percent

Percentage of Americans who don’t have health insurance, according to a new Gallup-Healthways Well-Being Index survey of a whopping 43,575 adults. That’s the lowest uninsured rate Gallup has found since the survey began in 2008. [Gallup]

15 percent

Percentage of NFL players drafted between 1996 and 2003 who went bankrupt within 12 years of retiring, according to a new National Bureau of Economic Research working paper. [Quartz]

35 percent

Percentage of “challenges” to library books that were brought by concerned parents, according to an annual report from the American Library Association. According to the report: “Authors of color and books with diverse content are disproportionately challenged and banned.” [Smithsonian Magazine]

75 miles per hour

The expected top speed of a train on a route China is considering building through a tunnel beneath Mt. Everest, a regional tourist trap and curiosity. [The Guardian]


Average amount a U.S. wedding guest will spend in 2015, up 14 percent over last year. The money is mostly spent on airfare, food, hotels and clothes. It’s times like these I wish my friends followed my example of simply sabotaging relationships the minute things get even a little bit serious. [MarketWatch]


That’s the new minimum annual salary at Gravity Payments, a credit card processing company, to be phased in over the next three years. We’re definitely in a tech bubble, right? [The New York Times]

957,000 preorders

That’s the estimate of how many Apple Watches were preordered on the first day the trinkets were made available for sale. [9to5mac]

16 billion messages

Yahoo! Labs undertook what’s being billed as the largest email study ever, looking at the emails of 2 million participants who got 16 billion messages, analyzing the number of recipients, the email’s word count and the age of the sender and receiver (among other things). The short of it? The older you are, the longer your emails tend to be. [Popular Science]

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Walt Hickey was FiveThirtyEight’s chief culture writer.