影片讲述了二战中，美国第一批黑人飞行员，克服当时制度和种族上的限制，组成了一支带有实验性质的特殊的轰炸机护卫队——塔斯克基飞行（TuskegeeAirmen）。他们的飞机上都画着“红尾巴”，于是这也成为了他们的绰号。“红尾巴”这支美国军事史上第一支由非裔美国人组成的飞行员编队，因为参加战争培训被派往阿拉巴马州随时准备迎战。在那里，他…

Foodborne pathogens kill around 3,000 people in the U.S. every year and hospitalize hundreds of thousands more. Romaine lettuce, cantaloupe, sprouts . . . all have been at the center of outbreaks which have become alarmingly frequent in recent years. Their solutions are simple, but protections are scattershot, with lit…