A lot of Americans may be surprised to know that it was written without saying anything directly about sports.

VOA: special.2010.03.04

Scientists know that some of the Bristlecone pines in northern California are also more than four thousand years old.

VOA: special.2009.05.12

If his daughter saw it, she would know that the moon on her neck was not really the moon.

VOA: special.2009.03.28

If we had an honest discussion, both of us would know that the other person's heart is in the right place.

VOA: special.2010.07.11

But we do know that the violence between the Earps and the Cowboys did not end at the OK Corral.

VOA: special.2010.02.15

It says Paul moves in and out of the woods, so few people ever know that he is there.

VOA: special.2009.01.24

Now we know that genetics makes this connection even deeper and we are linked to our ancestors by DNA.

VOA: special.2009.12.01

Nineteenth century workers would probably be surprised to know that their pants would one day become a fashion object.

VOA: special.2009.12.18

Archeologists know that the ancestors of today's Pueblo Indians lived in the Frijoles Canyon for more than four hundred years.

VOA: special.2010.07.05

We all know that some people do not seem as emotionally strong as others when life gets difficult.

VOA: special.2009.06.24

Percival Lowell did not know that his eyes played a part in the markings he saw on Mars.

VOA: special.2010.07.11

He says international students should know that this can affect them in the future if they try to re-enter the United States.

VOA: special.2009.04.02

They died because they did not know that burning wood products creates a deadly gas - carbon monoxide.

VOA: special.2010.02.02

If you have seen a 3-D movie, you already know that you need special eyeglasses to watch.

VOA: special.2010.01.26