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

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

VOA: special.2009.08.18

He notes a World Health Organization estimate that more than one and a half million people a year die from breathing smoke from solid fuels.

VOA: special.2010.02.01

Market researchers estimate that more than one billion personal computers are in use worldwide.

VOA: special.2010.04.12

The researchers estimate that, when it was complete, it measured about thirty-four centimeters.

VOA: special.2009.08.18

He says that in the Antarctic Peninsula, scientists estimate that climate change has caused temperatures to increase by two or three degrees Celsius over the past fifty years.

VOA: special.2009.06.03

Scientists estimate that the glaciers will be gone by two thousand thirty.

VOA: special.2009.04.22

Experts estimate that millions of people around the world need organ transplants.

VOA: special.2010.10.19

"We estimate that almost half of the Somali population, 3.7 million people, are affected by this crisis and a full 2.8 million people live in the south, the most seriously affected area.

VOA: special.2011.07.23

Officials estimate that more than of 3,000 people has been infected, although authorities do not yet have an exact figure.

VOA: standard.2009.07.24

Scientists estimate that between 950,000 and 2.5 million barrels of oil have already spilled in the Gulf .

VOA: standard.2010.06.14

Although the legality of office betting pools varies from state to state, experts estimate that billions of dollars are wagered on the tournament.

VOA: standard.2009.03.25

They estimate that 700 million insecticide-treated mosquito nets are needed worldwide, half of those in Africa.

VOA: standard.2009.04.25

Conservationists estimate that only about one percent of these hatchlings will make it to adulthood.

VOA: standard.2010.07.15

But he disputes Ramzan Kadyrov's estimate that no more than 50 to 100 insurgents remain.

VOA: standard.2009.03.26

They estimate that 600,000 South Koreans have relatives in North Korea.

VOA: standard.2009.08.26

And from that they estimate how much they are going to charge."

VOA: special.2009.12.11