Nanodiamonds are produced under only a very high temperature and high pressure event, such as a comet striking Earth.

VOA: special.2009.01.20

Writing for the dissenters, Justice Ruth Bader Ginsberg said the white firefighters who scored high "understandably attract this Court's sympathy."

VOA: special.2009.07.03

He says the increase in milk production reached a high of more than six kilograms per cow per day.

VOA: special.2009.05.12

In other vaccine news, scientists in Britain say they have found a simple, low-cost way to store vaccines at high temperatures.

VOA: special.2010.02.24

For example, the film takes us to the high school where the members of U2 performed together when they were teenagers.

VOA: special.2009.08.07

It has high mountains. It has valleys formed by ancient ice that cut deep into the Earth millions of years ago.

VOA: special.2009.01.07

Others say some women may have had sex with infected men who had very high amounts of the virus.

VOA: special.2010.07.21

Experts say the public's poor opinion of the national economy, including high unemployment, is the main problem facing Democrats this year.

VOA: special.2010.10.30

If the tests show a high possibility, a married couple must decide if they want to risk a pregnancy.

VOA: special.2010.03.23

Many colleges and employers will accept what is known as a GED as the equivalent of a high school diploma.

VOA: special.2009.08.20

It about a newly wealthy black family that moved into a New York City high-rise with mostly white neighbors.

VOA: special.2009.05.04

And a big wireless carrier, AT&T,calls extending the net neutrality policy "a risky experiment" with American investment in high-speed Internet.

VOA: special.2009.09.25

What do you think, a million a piece is too high?" "Maybe I'm not the guy you should be talking to.

VOA: special.2009.06.12

Her speech gave a message of hope to people living in areas affected by drought, high unemployment and housing problems.

VOA: special.2009.06.05