Readers can better understand how informed consent and the question of morality in medical experiments have changed over time.

VOA: special.2010.07.21

Pieter Hoff says he is now doing experiments with twenty thousand Waterboxxes in countries including Pakistan, Ecuador and the United States.

VOA: special.2010.07.13

Some experiments are already taking place in the mine at a depth of about one thousand five hundred meters.

VOA: special.2009.07.21

A research team at the Carmabi Foundation in Curacao carried out experiments to see if the same was true for baby coral.

VOA: special.2010.08.10

He looks the same way when he examines an animal he has killed in one of his experiments.

VOA: special.2009.05.23

In two thousand,after much research and many experiments, he returned to Nepal to put the systems into homes.

VOA: special.2009.12.21

Researchers at Kansas State University reported on their experiments with steaks in two thousand eight.

VOA: special.2010.06.01

She could not help see that many of his experiments had ended in failure.

VOA: special.2009.09.26

Bourke-White's photographic experiments began with the use of industry in art.

VOA: special.2009.05.10

An assistant also took part in the experiments.

VOA: special.2009.01.27

Some of the experiments focus on studying how orbiting in space can affect the human body and plant growth.

VOA: standard.2010.04.05

The vehicle is carrying nearly 8,000 kilograms of supplies, including a series of new science experiments to be conducted in space.

VOA: standard.2010.04.05

The United States is the only country in the world that still allows federally-funded medical experiments on chimpanzees.

VOA: standard.2010.02.16

He also made NASA history, becoming the first orthopedic surgeon in space, conducting a number of medical experiments.

VOA: standard.2010.02.02