"What we've now learned is that fat is not just a deposit for energy in our bodies."

VOA: standard.2010.02.23

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

"Because we've learned that risk does not respect national borders, our plan will not focus solely on improving the basic framework in the United States.

VOA: standard.2009.03.25

"We've also learned a lot about the virus from mathematical and computer modeling.

VOA: standard.2010.02.16

We only hunt animals. We've learned to control our thirst.

VOA: standard.other

"Since that time we've really learned that as close as they are to human species, they're not close enough for any real scientific outcomes for drug testing.I think like that" That's Elizabeth Kucinich, wife of U.S. Congressman Dennis Kucinich, she is a long-time animal welfare advocate and serves as director of public affairs, for the Physicians Committee "Over 80 different HIV-related vaccines have worked in chimpanzees but none have proven effective in human beings.

VOA: standard.2010.02.16