The two men were the first to reach the summit without using bottled oxygen.

VOA: special.2010.06.30

1,000 women were surveyed for the poll. Over 80 percent said they had sex without using a condom.

VOA: standard.2010.03.02

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

"We need to recognize at the outset that what we do to animals from their perspective certainly, and probably from ours is morally wrong and unacceptable, and that it's really important to follow through on all these exciting new leads into ways of doing research without using animals."

VOA: standard.2010.02.16

Using a mortar and pestle, the fruits are slightly pounded to remove the shells from the fruits without breaking the seed inside."

VOA: special.2011.06.14