Experts say heat waves often become dangerous when the nighttime temperature does not drop much from the highest daytime temperature.

VOA: special.2010.07.27

But that does not include costs like the tons of flowers that growers in Kenya and Israel had to destroy.

VOA: special.2010.04.23

But on Wednesday, they told Foreign Minister Shah Mehmood Qureshi in Washington that it does not place any conditions on Pakistan.

VOA: special.2009.10.17

Jane says she does not use any preservative chemicals in her products, so they only last about two or three weeks.

VOA: special.2010.02.17

He says the companies that make vaccines cannot really do much when they have a virus that does not grow well.

VOA: special.2009.11.24

The new health secretary, Kathleen Sebelius, said the virus does not seem to be as severe as once thought.

VOA: special.2009.05.06

In other new research, a study has found that circumcision does not decrease the risk that H.I.V.positive men will infect women.

VOA: special.2009.07.29

But if a woman does miss a payment, the nineteen other women in each loan group help to repay the money.

VOA: special.2010.06.16

An astronaut who does work outside the space shuttle usually is wearing more than seventeen pieces of protective equipment.

VOA: special.2011.04.06

But if the person who won your heart does not love you, then you are sure to have a broken heart.

VOA: special.2010.07.18

The glassblower must turn the pipe constantly so that the thick liquid glass does not fall off the end.

VOA: special.2009.09.16

In the song,a man named Charlie has to ride forever because he does not have enough money to leave the train.

VOA: special.2010.01.25

For the best results, carrots should be grown in sandy soil that does not hold water for a long time.

VOA: special.2009.02.24

She says it remains fresh and unusual because the event does not try to tell society's views about the performing arts.

VOA: special.2009.08.05