Life expectancy rates climbed, because doctors and scientists developed effective ways to prevent or treat diseases such as tuberculosis, typhoid,diphtheria,and influenza.

VOA: special.2010.12.02

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

VOA: special.2009.01.20

Around the world, industries such as agriculture and the building trades are commonly considered at risk of forced labor.

VOA: special.2009.06.08

Maryse Bouchard says the study found that exposure could play a part in behaviors such as inattention and hyperactivity.

VOA: special.2010.05.26

At the end, the puppeteers discussed why it is important to eat healthful foods such as fruits and vegetables.

VOA: special.2009.09.23

Different groups and organizations such as fraternities and sororities might have their own houses where their members live.

VOA: special.2009.03.26

As a result, the Council now considers other height categories, such as highest occupied floor and highest antenna.

VOA: special.2010.03.31

These structures combine elements of nature such as earth and water with written language to express meaning.

VOA: special.2009.05.06

The disappearance of ice will not only affect wildlife in the area such as seals and penguins.

VOA: special.2009.04.22

She learned all she could about subjects that were important to her, such as art and literature.

VOA: special.2009.01.11

They had tried to arrest group members in the past for crimes such as robbery and murder.

VOA: special.2010.02.15

Architecture is the art and scienceof designing and building structures such as houses,museums, and office buildings.

VOA: special.2009.12.13

They must be taken continuously and include side effects such as an increased risk of infection.

VOA: special.2010.03.16

Like the toys,Transformers are robots that can change into vehicles such as cars and earth-moving equipment.

VOA: special.2009.06.12