He conducted concerts to raise money for AIDS research.

VOA: special.2009.08.02

And the research that's been conducted on chimpanzees so far says VandeBerghas,already benefited much of the world's population.

VOA: standard.2010.02.16

Hope Ferdowsian of the Physicians Committee says "For example,in HIV research, we've learned a lot from human epidemiological studies and ethically conducted clinical trials."

VOA: standard.2010.02.16

A recent undercover investigation conducted by the Humane Society of the United States found chimpanzees in a Louisiana research center being subjected to harsh treatment and painful medical experiments.

VOA: standard.2010.02.16