The objects found in Project Twenty-three could double the size of the research center's collection.

VOA: special.2010.04.07

Senator John Barrasso, from the western state of Wyoming, says Republicans support a comprehensive plan to double the U.S.investment in energy research.

VOA: standard.2009.05.23

The study showed that during the 1970s, an economics professor from a random university, outside the top 25 programmes, would double his research productivity by moving to Harvard.

ECONOMIST: Why do economists spend valuable time blogging?

He proposes to double government funding for research and development.

ECONOMIST: Israel��s economy looks quite resilient

Although slightly lower than Pew Research's figures, Forrester deduced from its nigh 60, 000-strong survey that 19 percent of 'mericans over the age of 18 own at least one tablet -- double the number the research outfit noted last year.

ENGADGET: Forrester report finds US tablet ownership doubled this year