A protective coating of colloidal silver is painted on the inside and outside of the filter to kill bacteria.

VOA: special.2009.06.22

The researchers say their findings support the idea that a huge explosion or explosions caused fire and pressure powerful enough to kill off life on the Earth.

VOA: special.2009.01.20

In one case,a U.S.interrogator reportedly threatened to kill the children of detained al Qaida mastermind Khalid Sheikh Mohammed if new terrorist attacks were launched on the United States.

VOA: standard.2009.08.24

Twenty years ago, Iranian leader Ayatollah Khomenei issued a fatwa, or religious edict, calling on the faithful to kill author Salman Rushdie, a British citizen, over his book The Satanic Verses.

VOA: standard.2009.07.02

Malik also defended the efforts of Lahore's police, who recently came under fierce criticism after failing to kill or capture any of the attackers involved in the assault on the Sri Lankan cricket team.

VOA: standard.2009.03.30

The men,all in their late 20s, were found guilty of plotting to kill thousands by detonating explosives on commercial aircraft while they were in-flight from London to North American destinations in the U.S.and Canada.

VOA: standard.2009.09.07

So far,the answer is no. Even though some of Louisiana's quarter-million hectares of rice farms are located within shouting distance of bespoiled marshes, rice ponds rely on fresh water from wells and rainfall - not saltwater that,even without oil, would kill tender plants.

VOA: standard.2010.06.17

"A decision that I consider to be not only be unwise, but in fact based on a refusal to face the fact that what we are involved with here is a war with people who follow a religiously-based ideology that calls on them to kill us,and to return instead to the mindset that prevailed before September 11,2001,".

VOA: standard.2009.11.25