The Solar Impulse, an airplane traveling across the United States using only solar power, is in Phoenix today, after reaching Arizona from California Saturday. It took the plane about 20 hours to travel from Mountain View, Calif., near San Francisco.
The aircraft is capable of flying at night as well as in daytime; the plane had about 75 percent of its battery power remaining when it landed in Arizona.
And you're listening to WEEKENDS on ALL THING CONSIDERED from NPR News. I'm Kelly McEvers.
This past week, Jason Collins became the first athlete who's active in major American team sports to announce that he's gay. His story reminded us of the story of Glenn Burke. Burke was an outfielder for the Los Angeles Dodgers in the 1970s when his teammates discovered he was gay.