11.   The DNA chips are pieces of glass or plastic about the size of a microscope slide that can contain thousands of genes.

12.   The naked man up there, being examined like something on a microscope slide, represents a corpse exhumed from an Alpine glacier.

13.   The windows, which can be opened, have panes made from microscope slides.

14.   They keep the lobby window free of fingerprints, spotless as a microscope slide.

15.   To do this, the scientist would obtain fragments of the gene and deposit DNA bits onto a piece of glass about the size of a microscope slide.

16.   Williams frequently encountered the black specks on his microscope slides while studying air samples in Denver.

17.   In the shattered laboratories, only a few microscope slides remain whole.

18.   The first step involves microarrays, which are about the size of a microscope slide and contain specific fragments of specially chosen DNA, the genetic building block.

19.   The piles of silvery ashes recall the shape of stacked books but a few microscope slides are all that remain whole in the shattered laboratories.