Medtronic Inc.’s man-made aortic valve, inserted into the heart without cracking open the chest, reduced patient death rates more than open-heart surgery in the first study to ever record such a finding.
The U.S. economy grew more rapidly in the fourth quarter than previously estimated as consumer spending climbed by the most in three years, showing the expansion had momentum heading into this year’s harsh winter.
The World Trade Organization backed the U.S. in a dispute with China, agreeing that limits on exports of rare-earth elements used in hybrid-car batteries and wind turbines violate trade rules. A Chinese industry group said it regrets the ruling against China.
Northwestern University football players were given the right to form college sports’ first labor union in a ruling that could seismically change the $16 billion business of top-level university athletics.