It often becomes necessary to resilver the small mirror used in a microscope, sextant, or other instrument of precision.

The manuscript he's come up with, he asserts, is a rarity for him: It represents experience untransformed by the power of imagination.

Quantitative or Real-Time PCR Real-time PCR, also called qPCR, is known as the second generation of PCR because it could be used to amplify and simultaneously quantify several target DNA molecules.

Were such cheerful genteelisms any use?