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

Vitamin D increases levels of the element calcium in the blood.

VOA: special.2009.04.21

(Speaking in French) But Besson said immigration is also a key element of the debate and French should not be afraid to discuss it.

VOA: standard.2009.12.30

"This is not about competition. This allows the nurturing element of these men, of the six of us, to be at the forefront of the relationship."

VOA: standard.2010.06.19

Another key element,he said, is the expansion of regional markets through intra-African trade.

VOA: standard.2009.10.20

"There is an element of truth in that,". "But the option to simply starve a large population of civilians because you have a parasitic insurgency group attached to them is not a choice.

VOA: standard.2009.04.26

The British newspaper the Guardian reported Monday that altering the role of Mr.Karzai, who is accused by some western officials of tolerating corruption and mismanagement, is one possible element of a revised Afghan policy to be announced by the Obama administration.

VOA: standard.2009.03.23