The Numbers News | Wall Street Journal

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  • The Numbers News | Wall Street Journal
  • The Numbers News | Wall Street Journal
  • Tattoo Industry Wins Over Millennials

    Tattoos are leaving an indelible mark on society, and it’s shaped like a dollar sign. Over the next decade, the industry is expected to continue to grow at an annualized rate of 7.7%.

    The Numbers News | Wall Street Journal
  • The Numbers News | Wall Street Journal
  • The Numbers News | Wall Street Journal
  • The Numbers News | Wall Street Journal
  • The Numbers News | Wall Street Journal
  • The Numbers News | Wall Street Journal
  • The Changing Face of Illegal Border Crossings

    Illegal crossings at the southern U.S. border look much different than they did nearly two decades ago, when millions of Mexicans were coming for primarily economic reasons.

    The Numbers News | Wall Street Journal
  • The Numbers News | Wall Street Journal
  • The Burning Question: How Much Sunscreen?

    Sunbathers are getting far less protection from harmful rays than sunscreens promise, mostly because of confusion about how much is the proper amount to slather on.

    The Numbers News | Wall Street Journal
  • Lyme Disease: An Even Bigger Threat Than You Think

    Lyme disease is a common tick-borne illness, but its actual number of cases way outstrips the official case count. That’s a problem because public-health authorities formulate prevention strategies and allocate resources.

    The Numbers News | Wall Street Journal
  • Why a Decline in Insects Should Bug You

    A recent study documented a 76% decline in the abundance of flying insects over a three-decade period, setting the bug world abuzz because insects are crucial to the ecosystem.

    The Numbers News | Wall Street Journal
  • The Numbers News | Wall Street Journal
  • The Book on Sports Betting: The House Holds the Cards

    Now that the Supreme Court has paved the way for sports betting nationwide, it’s worth a look at the most common types of wagers. But in all cases, the house takes a commission, meaning it generally comes out ahead.

    The Numbers News | Wall Street Journal
  • The Spillover Effects of State Gun Laws

    A study looking at how one state’s gun laws affect gun deaths in a neighboring state showed a “halo effect,” with counties in states with loose laws seeing lower rates of firearm homicide when nearby states had tight laws.

    The Numbers News | Wall Street Journal
  • The Trick Behind Properly Shuffling Cards

    Even casual gamblers understand that a deck of cards must be thoroughly shuffled to ensure everyone has an equal chance of winning based on the luck of the draw. But how many shuffles is enough? It turns out, there’s an ideal number.

    The Numbers News | Wall Street Journal
  • The Numbers News | Wall Street Journal
  • Southwest 1380 Pilots Steered a Well-Timed Descent

    When Southwest Flight 1380 lost cabin pressure last week, the pilots in about eight minutes plummeted to 10,000 feet, where the air is breathable, from a level where people can survive for just minutes without enough oxygen.

    The Numbers News | Wall Street Journal
  • The Prom Is Becoming a Cheap(er) Date

    Spending hundreds of dollars on the prom may seem like no bargain, but one economist found that costs associated with the formal dance are actually getting cheaper, thanks in large part to relatively flat prices of clothing in recent years.

    The Numbers News | Wall Street Journal
  • Field Conditions Get a Good Hard Look

    Concern about collisions with the ground and other injuries caused by athletic surfaces has led researchers to come up with a way to measure a playing field’s firmness.

    The Numbers News | Wall Street Journal
  • The Costs of Getting Just One Rate Quote

    Borrowers who finance the purchase of cars or homes without soliciting quotes from multiple lenders often pay more than their financial peers, studies show.

    The Numbers News | Wall Street Journal
  • A Good Heart-Rate Formula Is Hard to Beat

    Maximal heart rate—the highest number of times your heart can beat in a minute—is one of the most commonly used measurements in medicine and exercise. But the formula used most often to predict the maximum is also the worst.

    The Numbers News | Wall Street Journal
  • The Numbers News | Wall Street Journal
  • Math Madness: College Hoops Fans Hope to Say ‘RIP’ to the RPI

    As the NCAA gets set to reveal which teams compete in the Division I men’s basketball tournament, some fans are likely to again be cursing the RPI, a crude metric that persists even though there are more sophisticated measures out there.

    The Numbers News | Wall Street Journal

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