Its creators said it is the longest chemically designed DNA structure ever produced in a laboratory.

VOA: special.2010.07.20

To be a building, half of a structure's height must have usable floor space.

VOA: special.2010.03.31

A telomere is a structure of genetic material.

VOA: special.2009.12.08

"So far,we have had a constructive conversation and my hope is that by the time the chairman and I meet on Wednesday that we have made sufficient progress and we can start actually seeing a structure that would be in place."

VOA: standard.2010.06.14

A model fort is the only structure in the park built in the exact place as the first building.

VOA: special.2009.08.17

Marc Rayman says Vesta appears to have a layered structure, one that is similar to planets like Earth, Mars and Venus.

VOA: special.2011.07.27

He says creating a plan for the structure of the book listing the main ideas makes writing much easier.

VOA: special.2009.10.12

In nineteen oh three, a bronze plaque was placed on the inner wall of the statue's support structure or pedestal.

VOA: special.2009.06.29

Not only did the always interesting Lady Gaga show up inside a large egg-like structure, but unknown artists also won top prizes.

VOA: special.2011.02.18

This way,they can observe changes in the structure of a deadly organism from one generation to the next.

VOA: special.2010.06.29

Another recent study found that a single tillage does not harm yield or soil structure in land that is normally not tilled.

VOA: special.2010.09.28

The last three finalists each had fifty minutes to create a tall structure to hold an egg even when shaken with earthquake force.

VOA: special.2009.10.15

He had shared a Nobel Prize for his part in the discovery of the structure of DNA.

VOA: special.2010.03.23

In two thousand, then-President Bill Clinton told the world that international and private groups had identified the genetic structure of a human being.

VOA: special.2010.07.20