For this reason, the researchers designed a study that examined results from a mental-performance test of older Asian adults.

VOA: special.2010.06.01

It was designed and completed in about a year and opened on the first day of the World's Fair.

VOA: special.2009.03.04

Thomas Jefferson and other early American leaders purposely designed a national government that had no established religion.

VOA: special.2009.05.22

PATH designed a foil pouch that could keep the medicine stable for up to two months.

VOA: special.2010.05.24

Engineers on the ground designed a way the astronauts could connect air-cleaning devices from the command module to the air system in the lunar module.

VOA: special.2009.07.22

He designed a dymaxion car, a dymaxion house, and a dymaxion map of the world.

VOA: special.2010.05.30

A system of waterways designed after the Italian city of Venice has been built there.

VOA: special.2010.01.03

He designed a goat milking machine that does not require any electricity or motors.

VOA: special.2010.07.20

Architect Edward Durrell Stone designed a simple white building that overlooks the Potomac River.

VOA: special.2010.10.29

Maya Lin also designed a private home known as "The Box House" in Telluride,Colorado.

VOA: special.2009.05.06

He taught himself to be a pilot. During World War II, he designed a machine used to train military aircraft crews to fire guns at enemy aircraft.

VOA: special.2009.01.14

They designed a large building that would clean a polluted river in Jakarta.

VOA: special.2010.03.31

Maya Lin designed a memorial formed by two walls of black stone.

VOA: special.2009.05.25

But neighbors objected. So the farmers designed a slaughterhouse on wheels.

VOA: special.2010.08.03