This intense heat they project in a parallel beam against any object they choose, by means of a polished parabolic mirror of unknown composition, much as the mirror of a lighthouse projects a beam of light.

VOA: special.2010.09.01

Pandemic experts explain a second wave does not necessarily entail any change in the composition of the virus.

VOA: standard.2009.09.04

The music probably has more disciples, like me, than any other orchestral composition.

NPR: Getting Hooked on the 'Rite' Sound

In the Lords (from 3pm) questions to ministers cover childhood obesity, reducing sugar consumption and whether the government intends to make any reforms of the composition of the House of Lords.

BBC: Week ahead

Whoever invents or discovers any new and useful process, machine, manufacture, or composition of matter, or any new and useful improvement thereof, may obtain a patent therefor, subject to the conditions and requirements of this title.

FORBES: Software Patents and Judicial Activism