今天马报2018丶6`8

While traditional EKG machine uses 12 leads, the Apple Watch works as a single-lead EKG, which research shows is just as effective at measuring the heart's electrical signals as a 12-lead machine. Seven months ago, Michael Dickerson worked the morning shift at the McDonald’s in Far Rockaway, Queens. He stocked the freezers with hamburgers, fixed frying machines and did whatever was needed.

今天马报2018丶6`8

• President Trump announced on Sunday that Dan Coats would step down as the director of national intelligence. The two were often at odds over Russia, North Korea and the president’s own attacks on the intelligence community. (Here’s a look at the turnover in the Trump administration.) The F.A.A.’s announcement came after unions representing aviation safety inspectors and air traffic controllers raised concerns that the lengthy shutdown was eroding the safety of the United States’ air travel system.