小时候，奥巴马试图追寻自己的身份时，他读过马尔科姆的自传。马尔科姆的自传给奥巴马的影响甚至超过了理查德·怀特和詹姆斯·鲍德温的作品。
Yet, when Obama was young and trying to come to terms with his own identity, he read the autobiography and it affected him more deeply than even the works of Richard Wright and James Baldwin.
科什·鲍姆说“当唇唇相遇时，会产生一种化学反应”。
"There's a chemical basis for what happens when our bodies meet at the lips," Kirshenbaum said.
尽管“北非谍影”主题曲的经典歌词是这样写的，但是科学家科什·鲍姆说亲吻这种受欢迎的行为背后还存在着很多科学。
Despite the classic lyrics of the song from the movie "Casablanca," scientist Sheril Kirshenbaum says there is a lot of science behind the popular act of kissing.
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