So energy expert Eric Potter says it is too early to know how the new gas shale reserves will affect the market.

VOA: special.2009.10.23

The scientists say they do not know how the treatment would work with patients who have no sensation at all below the injury.

VOA: special.2011.06.01

There something happens. He does not know how, but he has been transported to the Red Planet,Mars.

VOA: special.2010.07.17

"I'm at home,digging in the dirt, or doing something that is very close to the Earth, because that's where I know how to survive."

VOA: special.2009.06.07

I filled this room with expensive scientific equipment that I did not know how to use.

VOA: special.2011.06.18

It was a place where people owned things that they did not know how to use.

VOA: special.2010.01.03

A way to know how much is to compare their ring finger to their index finger.

VOA: special.2009.02.25

He said the Earth is like a large mechanical device that will survive only if people living on it know how to operate it correctly.

VOA: special.2010.05.30

Given this information, many people want to know how safe is it to travel?

VOA: special.2009.07.14

And I know how long a piece they want. Then I daydream a lot, trying to figure out what might be interesting for that group to do."

VOA: special.2010.07.12

If a person's heart stops, would you know how to perform CPR?

VOA: special.2009.05.20

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

VOA: special.2009.06.28

Millicent complained that he did not know how to enjoy life.

VOA: special.2009.01.31

Scientists want to know how and where basking sharks travel.

VOA: special.2009.06.16