单词:benzene diazonium
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Authors Talk Politics: Junot Diaz On Election 2016 play pause stop mute unmute max volume 00:0006:11repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin. SCOTT
This is Scientific Americans 60-Second Science. Im Sophie Bushwick. Got a Minute? What's the best way to find out if an unknown mixture contains a specific substance, like an environmental contaminant? You could use an expensive, bulky gas chromatogr
RACHEL MARTIN, HOST: The writer Junot Diaz wanted to publish a children's book for more than 20 years. In the meantime, he stayed busy. He wrote several grown-up books, including The Brief Wondrous Life Of Oscar Wao, which won a Pulitzer Prize. He al
Nina Diaz Is On The Other Side play pause stop mute unmute max volume 00:0007:16repeat repeat off Update Required To play the media you will need to either update your browser to a recent version or update your Flash plugin. (SOUNDBITE OF SONG, QUEEN
Indoor air pollution is a common threat to human health, the new study looked at five common house plants and found that when it comes to removing harmful chemicals from the air, those five plants are better than others. 室内空气污染对人类健康
本期内容: A humble houseplant with a dash of rabbit DNA could help lower our exposure to indoor air pollution, new research suggests. Scientists have revealed that by inserting a rabbit gene into devils ivy the plant is able to clean the surrou