"First off,there is the infectious disease risk because if you use human blood there's a lot of transmissible diseases.

VOA: special.2009.08.03

Last year,President Obama ended restrictions on the use of federal money for studies of human embryonic stem cells.

VOA: special.2010.11.02

Red Shirts and human rights groups condemned the government's use of deadly force to end the protests.

VOA: special.2010.05.22

All three plays were noted for their use of sharp language and making fun of human failings.

VOA: special.2010.08.08

The two wanted to use bicycles as transport because they believe strongly in human power.

VOA: special.2009.12.04

On Wednesday, President Obama deplored the rebels' use of civilians as human shields.

VOA: special.2009.05.16

And she warned against the use of people in Gaza as human shields.

VOA: special.2009.01.10

So tests often use human blood instead.

VOA: special.2009.08.03

It's a temptation their curious minds can barely resist: "If we don't use human DNA now someone else will."

VOA: standard.2010.06.09

Most scientists believe the warming trend is mainly caused by human activity, especially the use of fossil fuels and the cutting down of forests.

VOA: standard.2009.12.09

But we also see still the use of violence directed against supporters of Tsvangirai and also the abuses still of human rights seen in Zimbabwe,".

VOA: standard.2009.09.12

A senior Africa researcher for the New York-based Human Right Watch, Tiseke Kasambala, says her group believes Secretary Clinton should also use the opportunity to urge African governments to show a greater commitment to human rights.

VOA: standard.2009.07.31