They also include workers in health care and emergency services, and people between six months and twenty-four years of age.

VOA: special.2009.08.18

Not until the nineteen fifties did scientists, using radioactive dating, place the age of the Earth at over four billion years.

VOA: special.2009.12.01

But by the time he was thirteen years old, he was winning against players two times his size and age.

VOA: special.2010.02.07

People moved into the American Southwest more than ten thousand years ago as the last ice age was ending.

VOA: special.2010.07.05

And the experts say the average age of people found to have the disease is between 20 and 50 years old.

VOA: special.2009.01.06

If not,she says, they may be at increased risk for age-related broken bones years after their visits to space.

VOA: special.2009.03.10

At the age of six or seven years old, Emmanuel became a soldier for the Sudan People's Liberation Army.

VOA: special.2009.10.14

"My background is a teacher. I taught young adults from, say,age eleven through thirteen for about fifteen years.

VOA: special.2009.10.12

The new guidelines say women age twenty-one to twenty-nine only need to get a Pap test every two years instead of yearly.

VOA: special.2009.11.25

These were people under the age of sixty and those who had smoked for less than twenty years.

VOA: special.2009.06.23

Another proposal would add two years to the full retirement age for Social Security -- raising it to sixty-nine by about twenty seventy-five.

VOA: special.2010.11.19

The professor said it probably died at an early age, living only about five or six years.

VOA: special.2009.10.13

In fact,by age eighty-five, people are happier with their life than when they are eighteen years old.

VOA: special.2010.08.03

"Certainly the good news is that the rate of deaths of children under five years of age continued to decline in two thousand eight.

VOA: special.2009.09.28

On an average day, nearly everyone fifteen years of age and older took part in a non-work activity like watching television, socializing or exercising.

VOA: special.2011.07.22

She is fourteen years old. She was identified with Asperger's syndrome at the age of eight.

VOA: special.2009.07.31

He retired from that part of his life ten years ago, at the age of thirty-one.

VOA: special.2009.09.11

The same was true of almost one in four children under two years of age.

VOA: special.2009.10.28

Also,in Darwin's time, the age of the Earth was estimated only in the millions of years too short a time some said for evolution to work.

VOA: special.2009.12.01