1. These documentaries use the standard tools — archival footage, talking-head interviews, carefully selected musical cues — to write history in the present tense. In the era of Black Lives Matter, the stories of the Black Panthers and the jazz singer and activist Nina Simone could hardly be more relevant. Mr. Nelson and Ms. Garbus tell them beautifully.
2. A spokeswoman for Harvard University declined to comment on the report. "We do not comment publicly on the admissions status of individual applicants," Rachael Dane wrote in an email.
西西软件园 This technology previously existed for arms, but legs are rather more complicated. And since a misread signal can send you jumping off a bridge or in front of a moving car, thought-controlled legs need more stringent programming than equivalent arms. As one of the researchers delicately put it, “If you're using a bionic arm and it misbehaves, the elbow may move slightly. If the prosthetic leg misbehaves . . . that could be quite a safety issue.”