1. The world's first flying bicycle flew on November 9, 1961, when Derek Pigott of the University of Southampton flew in a bicycle with an airplane-like body. It was called the Southampton University Man Powered Aircraft (sumpac). Derek furiously pedaled the air-bike to get it off the ground. It then flew 1.8 meters (about 6 ft) above the ground over a distance of 64 meters (210 ft). While the flight was short and slow, it still does not change the fact that it was the first bicycle to fly and at the same time, the first human-powered flight.
3. “Airbnb is here to stay,” Mr. Gottsegen said. “Instead of fighting it, we should wrap our arms around it and make it better.”
4. 3. The root cause of eczema has finally been identified. Scientists have tracked down a series of proteins and molecular pathways that lead to this insufferable skin problem, revealing that the protein filaggrin isn't the sole culprit we thought it was.
5. n. 紧张，拉紧，血统
1. After Google and Apple, are Amazon and Microsoft.
4. The first chart shows the total incidence of banking, currency and debt default crises in emerging markets since the 1970s, set against the nominal federal funds rate. Mr Koepke gives this as evidence that high and rising rates typically precede periods of EM crisis.
Paul George, Chris Paul, Carmelo Anthony, Gordon Hayward Jimmy Butler, Derrick Rose, Paul Millsap, J.J. Redick, Eric Bledsoe, Dwight Howard ... the list goes on and on of players who switched uniforms since last year.