It was like the day -- a hundred years later -- when the first American walked on the moon.

VOA: special.2010.02.25

Nothing happened when they turned on the light in cells in an area of the brain called the subthalamic nucleus.

VOA: special.2009.04.07

Darwin had been working on his theory for over twenty years when he published " On the Origin of Species."

VOA: special.2009.12.01

An estimated one billion people in forty countries watched this program when it was broadcast on television in nineteen seventy-three.

VOA: special.2010.04.02

When the electric current was on, the woman described seeing a presence or shadow nearby who did not speak or move.

VOA: special.2010.02.24

Scientists believe large groups of wolves became stuck when they came to feed on animals already trapped in the asphalt.

VOA: special.2010.04.07

Shirley Griffith has more. Miley Cyrus was thirteen when she first appeared on the popular Disney television show "Hannah Montana."

VOA: special.2010.08.06

This might be hard to do when the teacher is writing on a board at the front of the classroom.

VOA: special.2009.09.06

Earlier work found that male stock traders made more money on days when their level of the male hormone testosterone was higher.

VOA: special.2009.02.25

The team learned that the birds traveled one way on days when fishing was permitted, and another way when it was not.

VOA: special.2010.03.02

When there is fresh snow on the ground, the surface of the snow takes in, or absorbs,sound waves.

VOA: special.2010.01.05

The American Bar Association's Committee on Judicial Independence is working on guidelines for when judges should recuse themselves.

VOA: special.2009.06.12

The kind of dress that you dream of wearing when you're on the arm of a gorgeous man.

VOA: special.2009.03.27

One soldier told of guarding the president's house on a day when Lincoln was sitting on the porch with his young son Tad.

VOA: special.2010.05.10