The polymerase chain reaction (PCR) is a scientific technique in molecular biology to amplify a single or a few copies of a piece of DNA across several orders of magnitude, generating thousands to millions of copies of a particular DNA sequence.
When the charts launched over 70 years ago, a hit was defined as selling copies of a single or generating airplay.
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The IBM team's quantum computer was a straw-thin vial filled with a rust-colored liquid packed with millions of copies of a single organic molecule.
Keith Hayes of Goldman Sachs reckons that 500, 000 copies off a single platform is about the point at which scale benefits start to drop away.
Ideally, Fuji Xerox wants customers such as stockbrokers, engineering firms and government agencies, which order dozens or even hundreds of copies of a single report or catalogue.
Grand Theft Auto IV literally broke a world record in 2008 when it became the highest grossing game in a period of 24 hours, selling 3 .6 million copies in a single day.
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While "The Casual Vacancy" sold 1.5 million copies, that pales in comparison with the last Harry Potter book, "Harry Potter and the Deathly Hallows, " which sold 15 million copies in a single day when it was released in July 2007.
He said the single sold almost 400, 000 copies, both digitally and in HMV stores.
It is possible that, if it were easy to play the game offline, fewer fraudulent purchases would be being attempted simply because those who wished to play without paying would content themselves with the single-player game and cracked copies.
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Every single month it sells about two million copies on the newsstand and has another 950, 000 subscribers.
Daniel Himsworth, a spokesman for Woolworths, said that copies of Leon's single were selling at the rate of 40-per-minute at the chain.
More importantly, it was the first British single to sell more than one million copies, having spent seven weeks at number one over the summer.
Then, as if by magic, the comeback single appeared, White On Blonde shifted copies like it was going out of fashion and Texas were embraced back into the arms of popular music.
It has sold almost twice as many copies in its opening week as the fastest-selling album by a single artist - Babel by Mumford and Sons, which shifted 158, 000 copies when it came out in September.
Bad Boys is currently the fastest-selling single of the year so far, with 185, 000 copies sold last week.
Over the past three months, single-copy sales per issue have averaged 51, 469 copies, according to data supplied by MagNet.
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Sir Cliff, who had his first number one single in 1959 with Living Doll, sold 33, 376 copies of Thank You For a Lifetime.
Fight For This Love sold more copies on its first day than Alexandra Burke's single Bad Boys - the current UK number one - did on its first day last week.
Paula Fernandes, another Brazilian country singer whose latest album has sold over 1.5 million copies in Brazil, collaborated with Taylor Swift on a single to be released on January 3.
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He signed them anyway, and their single, "Them Girls, Them Girls, " sold 500, 000 copies.
Among families with parkin mutations, 13 had at least one member with mutations on both copies of the gene, while in 10 families affected members had a single mutated copy of parkin.
Sir Elton holds the record for the world's best-selling single - a version of Candle in the Wind that sold more than 33 million copies when it was released in tribute to Princess Diana in 1997.
In a subgroup of families who had identical chromosome markers, those with no mutations in the gene developed symptoms at an average age of about 61, those with a single abnormal copy of parkin at around age 50, and those who inherited two mutated copies had onset at around age 36.
But everyone gets two copies of the gene--one from each parent--and even a single M scuttles any hope for a magical career.
In less than a week Lady Gaga has sold 1 million digital copies of her newest song, Born This Way, making it the fastest selling single ever on iTunes.
And while Google Docs online spreadsheet and word processing software is stripped down (when compared with Office), it does make it easier for workers to share a single online document and collaborate on it with colleagues--something that gets complicated fast when multiple copies of a Microsoft Word document are blasting around the office.
Some 137, 000 copies of Candy were sold this week, according to the Official Charts Company - the fastest-selling single by a male artist this year.
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