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This is Scientific American's 60-Second Science. I'm Christopher Intagliata. Got a minute? Asbestos increases the risk for certain cancers. The fibers are thought to do so by skewering cells, setting off chemical reactions that lead to inflammation,

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At the city of Baku on the side of the Caspian Sea there are so many oil-wells and so much oil that it seems to get into everything. 在里海边的巴库城有很多很多油田，出产大量的石油，似乎什么东西都沾上了石油。 You s

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California has an official animal, the grizzly bear, and a state bird, the California quail. It has an official grass, purple needle grass, and a state reptile, the desert tortoise. It even has an official song, a century-old tune called I Love You,

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Let's have a look at what's leading on our News today: And more than 100,000 people are expected to pack Flemington Racecourse for today's running of the Melbourne Cup. This year's cup is likely to be dominated by international runners with 11 overse

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NBN Chief Mike Quigley is calling for calm over an asbestos scare of some of its roll-out sites. Several sites in New South Wales, Victoria and WA have been shut down. Telstra is hiring an extra 200 safety specialists to inspect all asbestos-related

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学英语单词

acotyledons

anke

anterior tibial nerve

antidrom-

applied phytophysiology