Prosecutors are investigating why so many modern buildings were flattened by the quake and whether flawed construction materials were to blame.

VOA: standard.2009.04.12

Questions have been raised about his handling of sex abuse cases and whether he had a role in keeping them quiet.

VOA: standard.2010.03.28

Scientists also want to learn more about mysterious dark matter and energy, and whether the universe will expand forever.

VOA: standard.2009.05.14

"And whether that is 15 or 20 years, we will hope for accelerated economic development in Afghanistan."

VOA: standard.2009.12.09

Newspaper columnists and some members of the opposition questioned the legality of the operation, and whether the flotilla could have been intercepted without using force.

VOA: standard.2010.06.01

"And that is why we are always looking at the impact of food aid on local markets and whether it is depressing prices in local markets."

VOA: standard.2010.04.29

Health officials did not know how deadly the virus would be, who would be most vulnerable, how quickly it would spread and whether it could be contained.

VOA: standard.2010.04.29

Suggested topics for discussion include whether France should have integration contracts for immigrants applying for citizenship and whether students should be required to sing the French national anthem.

VOA: standard.2009.12.30

How that wood is grown and whether it was harvested legally have become crucial questions since 2008, when the U.S.Congress amended a century-old piece of environmental law known as the Lacey Act.

VOA: standard.2010.05.28

There are questions about how much Army officials knew about Major Hasan's alleged foreign contacts and political leanings, and whether they could have taken some action that might have prevented the massacre.

VOA: standard.2009.11.16

Still,Mr.Obama's critics say his trip to China will be a test of whether the U.S and China can develop better ties, and whether American acquiescence on some issues will produce concrete results on others.

VOA: standard.2009.11.10

The court is scheduled to hear cases involving gun rights, free speech and whether juvenile offenders should be sentenced to life in prison without parole in criminal cases that do not involve murder.

VOA: standard.2009.10.05

Researchers from Brigham Young University analyzed 148 studies with a total of some 300,000 participants, tracking their social relationships and whether they survived to the end of their particular study, which averaged about seven years.

VOA: standard.2010.07.29

"It seems that more clarity is likely to emerge about who did what to whom and whether or not war crimes, crimes against humanity and other very serious human rights abuses were committed by one or both sides,"

VOA: standard.2009.10.25