Experts at the Census Bureau estimate that more than sixty percent of Hispanic growth was from "natural increase" rather than migration.

VOA: special.2011.06.13

The researchers estimate that at least five hundred forty million people have the deficiency, about eight percent of the world.

VOA: special.2009.05.13

Safety experts estimate that the restraining devices save more than four thousand lives a year in the United States alone.

VOA: special.2010.02.09

At that rate,officials estimate that more than one hundred thousand people will be able to climb to the top each year.

VOA: special.2009.06.29

Archeologists are able to estimate the age of these objects by dividing layers of dirt into time periods.

VOA: special.2009.08.18

For his mathematical project, he compared two ways to estimate the square root of an integer, a number with no fractional parts.

VOA: special.2011.03.24

The estimate has reached about five percent countrywide and as high as twenty percent in some cities.

VOA: special.2010.05.12

The number of mutations over time helped the team estimate when the duplications in soybeans took place.

VOA: special.2010.02.02

The scientists estimate this would have the same climate effect as taking all cars in the world off the road for ten years.

VOA: special.2009.06.19

The estimate for the next ten years, however,is higher because the recession was deeper than expected.

VOA: special.2009.08.28

Phil Sumrall says NASA's estimate to keep the Ares program going forward as planned calls for three billion dollars in additional spending a year.

VOA: special.2009.12.30

This was an estimate of the number of words a six-year-old should be able to read.

VOA: special.2010.05.02

The researchers estimate that the five-hole flute would produce an even wider mix of notes.

VOA: special.2009.08.18

The White House budget office on Tuesday lowered its estimate for this year's federal deficit.

VOA: special.2009.08.28