But a new study has found that they offer little help in this way.

VOA: special.2009.07.15

"That led to this extraordinary opportunity to study, not just any animal,but chimpanzees.

VOA: special.2009.11.18

This study shows that not only is it better for the person who is infected, but it helps that person from transmitting to the person that's their sexual partner, heterosexual partner."

VOA: special.2011.05.18

This is not the first study to show a link between deforestation and malaria, but Olson says her study is notable because of the rigorous way Brazilian health officials gathered the malaria data.

VOA: standard.2010.06.17

British official refuse to say on what grounds this was done, but media reports suggest his application to study at another institution was turned down because the course work there was deemed to be bogus.

VOA: standard.2009.12.28