On the bottom was all slimy mud, broken bottles and bits of glass and bricks and nails and old stuff, everything.

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Meanwhile, competition between Affymetrix of Santa Clara, Calif. and upstart Illumina in San Diego led to rapid declines in the cost of SNP-measuring chips, glass slides on which tiny pieces of DNA are affixed like bits of Velcro.

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Ranbaxy has reported that certain lots of their 10, 20, and 40 milligram tablets contain glass particles, bits that are smaller than 1 mm in size.

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