1.   In his lab, he combined microscopic bits of DNA to calculate a well-known computer problem.

2.   It documents that diesel engines spew out a disproportionate share of the microscopic bits of soot and grime that create the visible pollution.

3.   These chips are pieces of glass imprinted with microscopic bits of DNA.

4.   These are slices of glass or silicon imprinted with microscopic bits of genes.

5.   To get the microscope out of its box, I was forced to hack, shred, tear and mangle the packaging into nearly microscopic bits.

6.   First they coat microscopic bits of gold with several thousand copies of the gene.

7.   However, if the cancer appears to abut the nerves, one or more must be cut to minimize the chance of leaving behind microscopic bits of cancer.

8.   Nevertheless, even though the tumor cannot be seen outside the bladder, microscopic bits of cancer often have already escaped.

9.   The scientists strike a laser spark on each runner, vaporizing microscopic bits of metal and analyzing the atomic emissions.