This is because glass has the hardness of crystal materials while also having a disordered arrangement of molecules like a liquid.

VOA: special.2009.09.16

It says salt in the American diet has increased fifty percent since the nineteen seventies, while blood pressures have also risen.

VOA: special.2010.01.27

They also suggest actions like providing protective boots to wear while working in fields, and not sleeping on the ground.

VOA: special.2010.01.25

He also had three sisters. While growing up, he became known as Red Adair because his hair was bright red.

VOA: special.2009.03.22

And then you try to create as much surprise and spontaneity and feeling and variation while also respecting that structure."

VOA: special.2011.01.31

And, the museum invites public school students to view the collection while also providing teachers with art education projects.

VOA: special.2009.01.11

A mompreneur is an entrepreneur who runs her business from home while also caring for her family.

VOA: special.2010.04.23

She may also face opposition for an action she took while dean of Harvard Law School.

VOA: special.2010.05.15

Some neighbors say that while GW is trying to be friendlier to the environment, it could also be a better friend to the neighborhood.

VOA: special.2011.07.08

Experts say that while rotational grazing can save money over time, it also requires planning.

VOA: special.2010.01.19

Also,because the plants are tall, a person can stand while harvesting the beans.

VOA: special.2009.03.24

They also include difficulty moving or keeping balanced while walking or standing.

VOA: special.2010.11.02

Musical guests also visit local schools while they are in town.

VOA: special.2009.02.16

Maya Lin knew that history is very important for us, while we also want to emphasize the importance of looking forward. With this in mind, Maya Lin designed the building so that it has two entrances.

VOA: special.2010.03.03

But while Harris is in hospital, she is also helping scientists understand how the brain comprehends and uses language.

VOA: standard.2010.01.15

He says Japan will strongly protest through the United Nations, while also urging North Korea not to carry out the launch.

VOA: standard.2009.03.27

They also said the Office for Artists' Royalties was unfairly targeting them while not pursuing other media companies.

VOA: standard.2009.08.27

Climate change is driving higher rates of migration and civil conflict while also fueling increases in poverty,disease,and hunger.

VOA: standard.2010.04.21

While in New York, Mr.Obama also addressed a high-level summit on climate change,called by U.N.Secretary-General Ban Ki-moon.

VOA: standard.2009.09.22

Webb was also permitted to visit Aung San Suu Kyi. But,while Yettaw was released, the democracy leader's house arrest was extended by 18 months.

VOA: standard.2009.11.02