Milestones

OPENED

The first licensed Bitcoin exchange in the U.S., called Coinbase. It got funding from the New York Stock Exchange to begin trading the digital currency and will take a 0.25% cut of most transactions.

DIED

Alice K. Turner, 75, longtime fiction editor at Playboy. During her tenure at the magazine, she published literary greats like John Updike, Joyce Carol Oates and David Foster Wallace.

CROWNED

As Miss Universe, Paulina Vega of Colombia. Donald Trump, who owns the pageant, said she was an early front runner and “a star.” Miss USA, Nia Sanchez, was the runner-up.

FILED

For Chapter 11 bankruptcy, the company behind SkyMall. The catalog business has reportedly suffered in recent years as Internet access has become more widely available during airline flights.

DISCOVERED

Fish in Antarctic waters below almost a half-mile of ice. They live with no sunlight in subfreezing temperatures.

REACHED

By Duke University basketball coach Mike Krzyzewski, 1,000 career wins. With the team’s Jan. 25 victory over St. John’s, he became the first NCAA Division I coach with that distinction.