Now,we admit that we do not know how this expression developed.

VOA: special.2009.06.28

Now,scientists know how these tiny pores tighten in plants.

VOA: special.2010.01.26

Now how about that for a cancer patient?" The study appears in an issue about cancer research of the Journal of the American Medical Association.

VOA: standard.2010.03.18

Now a study by the Seattle Children's Research Institute shows how that idea can influence what parents order for their children.

VOA: special.2010.01.27

Now the problem was how to get the astronauts back to Earth as quickly and safely as possible.

VOA: special.2009.07.22

Now,scientists have learned more about how those noses work to help the much-feared fish direct its movements.

VOA: special.2010.08.03

Now,American and British researchers have confirmed that judgments based only on how someone looks are important.

VOA: special.2009.11.24

Now,the question is how and when to withdraw that support without harming a recovery, and how to avoid a repeat of the financial crisis.

VOA: special.2009.09.26

what Matt would have done?" "How do you know "Now you're setting up a date with a vampire! What do you have, a death wish?"

VOA: special.2010.01.20

But here is something that scientists now know: A team led by Professor Fu has reported the first genetic link to how much sleep we need.

VOA: special.2009.08.26

Photocopiers print in two dimensions. Now,imagine how this would work for three dimensions.

VOA: special.2010.10.29

And now with Antarctic science being really a global science and part of understanding how the world works, it is becoming really vital that everybody works together."

VOA: special.2009.06.03

Now creditors will learn who gets repaid and how much.

VOA: special.2009.06.05

"I am good at it!" "Look at you! Now, how good you are!" "Growing in front of you!" And,finally,movie director Quentin Tarantino has a new film to be released in August.

VOA: special.2009.06.12