Mizz Blackburn and Mister Szostak discovered the special system of genetic information in the telomeres that protects the chromosomes from ruin.

VOA: special.2009.10.07

An object in the solar system could be identified if it appeared to move from its place in the earlier photograph.

VOA: special.2010.07.11

Sophie Waskow from the Sustainably Office points to a rainwater collection system on a building where students live.

VOA: special.2011.07.08

Russia objects. But the United States says the system would protect Europe from a possible attack by Iran.

VOA: special.2009.05.23

In nineteen forty-eight, he moved his show from the National Broadcasting Company to the Columbia Broadcasting System.

VOA: special.2009.10.11

Some scientists have called Jupiter the protector of the inner planets and our own Earth -- from objects from the outer solar system.

VOA: special.2009.08.25

Between thirty and thirty-five women used each system to pump water from the ground or a stream.

VOA: special.2010.01.11

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

"The brain-machine interface is a system that allows disabled people, people suffering from physical disabilities to communicate with external world and also to control devices."

VOA: special.2011.04.04

But the researchers say their holographic telepresence system is still years away from completion.

VOA: special.2010.11.15

The civil service system would stop them from giving federal jobs to their supporters.

VOA: special.2010.04.29

So they built a system of canals to bring water down from the mountains.

VOA: special.2009.06.04

Nora Guthrie suffered from a disease that destroys the brain and nervous system.

VOA: special.2010.06.13

Finally,in nineteen eighty-five, Route 66 was officially removed from the national highway system.

VOA: special.2010.08.23