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

They answered questions about their level of physical activity as teenagers and at age thirty, fifty and late in life.

VOA: special.2010.07.07

They say the drug should be tested on thousands more people, including those in different risk, age and ethnic groups.

VOA: special.2009.04.08

They were both concerned about the results of their discoveries that led the world into the Nuclear Age.

VOA: special.2009.06.14

They helped make her book "Coming of Age in Samoa" one of the best-selling books of the time.

VOA: special.2010.01.17

We see that you know from everyone,they say their interest in science begins before the age of eleven.

VOA: special.2010.04.01

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

VOA: special.2010.08.03

It found that people become happier and experience less worry after they reach the age of fifty.

VOA: special.2010.08.03

They said this was likely a result of the legal drinking age being raised to twenty-one and other policy changes aimed at reducing underage drinking.

VOA: special.2009.08.07

But Americans now get married at an older age than they once did.

VOA: special.2010.08.09

They could not get a full driver's license until age eighteen.

VOA: special.2010.07.01

They say this ice age lasted about 13 centuries.

VOA: special.2009.01.20

They found that cells age if telomeres are shortened.

VOA: special.2009.12.08

"I just think it's really important to get kids excited about science at an early age, because they might be the next Albert Einstein or Isaac Newton,or America's top young scientist.

VOA: special.2009.10.15