The tests are the first step in human clinical trials of two vaccine candidates developed at the University of Cape Town.

VOA: special.2009.07.29

South Africa launched the tests last week as the International AIDS Society held a conference in Cape Town.

VOA: special.2009.07.29

The tests sometimes reunite separated families and settle questions about who is the father of a child.

VOA: special.2010.03.23

The tests showed that many of the substances contained high levels of antioxidant chemicals known as polyphenols.

VOA: special.2009.05.19

He lets us wear his Olympic medal if our class does good on the tests."

VOA: special.2010.04.30

Those who sometimes ate curry, or ate it often or very often, did better on the tests than individuals who rarely or never ate curry.

VOA: special.2010.06.01

Alzheimer's is considered if the tests fail to show the existence of other problems.

VOA: special.2009.09.15

The tests showed it was four hundred years older than the Stonehenge formation in England -- and a thousand years older than the Great Pyramid of Giza in Egypt.

VOA: special.2010.08.03

President Zuma dismissed suggestions the outcome of the tests would result in the IAAF withdrawing the gold medal from Semenya.

VOA: standard.2009.08.25

Late Thursday, the government released the results of a special examination, so-called stress tests, of the nineteen largest banks.

VOA: special.2009.05.08

The Obama administration announced the so-called stress tests in February as part of efforts to rebuild the trust of investors.

VOA: special.2009.04.17

As a result, they used the frogs in fast-acting, low-cost pregnancy tests for women during the nineteen-forties and fifties.

VOA: special.2010.06.29

Dennis Van Roekel of the National Education Association said the plan "still relies on standardized tests to identify winners and losers."

VOA: special.2010.03.18

His education law,still in effect, required states to show yearly progress in student learning as measured by the states' own tests.

VOA: special.2010.07.22