World War Two ended. Enrico Fermi had been the first to use a neutron to produce the radioactive change of one element to another.

VOA: special.2009.06.14

Her best guess is that some schools with a lot of technology will be the first to use them, but only in addition to their traditional books.

VOA: special.2009.08.27

Scott and Irwin were the first to use the Lunar Rover vehicle.

VOA: special.2009.07.29

These included the first use of "hard hats" to protect the workers' heads and special glasses to protect their eyes.

VOA: special.2010.07.23

The first breeding line is expected to be released this year for use by private seed companies and public soybean breeders.

VOA: special.2009.01.20

The American Le Mans Series became the first racing event to use the protocols in its Green Challenge competition.

VOA: special.2009.11.03

But traditional guidelines say not to use tPA if more than three hours have passed after the first signs of a stroke.

VOA: special.2009.08.12

Scholars who work on publishing make careful choices many of the plays about whether to use words from the First Folio,or the Quartos.

VOA: special.2010.01.13

The expression was first used in the southern part of the United States to describe the use of force to win an election.

VOA: special.2009.02.15

English language experts say Geoffrey Chaucer was the first important writer to use the English language.

VOA: special.2011.01.05

The first involves sheep. Researchers have found that hair sheep are a good source of blood for use in tests to diagnose infectious diseases in people.

VOA: special.2009.08.03

For the first time, scientists around the world had a limitless number of cells they could use to test the effects of diseases, medicines and chemicals.

VOA: special.2010.07.21

But Lincoln was not the first president to use it.

VOA: special.2010.05.10

This is the first tournament of the Football for Hope program, which aims to use the popularity of football to bring social change.

VOA: standard.2010.07.05

U.S Army Sergeant First Class Brandon Lemmons says he passes along each day's information to his commanders, and they use it to map out their relief strategies.

VOA: standard.2010.01.30

Ruhli and his team of researchers at the Swiss Mummy Institute have just completed the first feasibility study of how they could use the technology to reveal a mummy's secrets, without damaging the mummy.

VOA: standard.2010.05.05

Senior manager Tshepo Ramodibe said the group hopes to use the upcoming football World Cup, being played for the first time on African soil, to broaden awareness of the disease and the way it can be prevented and treated.

VOA: standard.2010.04.23