"When Darwin first proposed his theory in eighteen fifty-nine, he had no concept of a gene, no concept of a chromosome, no concept of mutation, and certainly no concept of things like DNA and RNA."

VOA: special.2009.12.01

The Innocence Project is a group that works to help prisoners who could be proven innocent by DNA testing.

VOA: special.2009.10.03

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

VOA: special.2010.03.23

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

VOA: special.2010.07.20

He is a geneticist who led the effort to map all the human genetic material,DNA.

VOA: special.2009.12.01

The judge said many consider this a "lawyer's trick" to avoid the ban on the direct patenting of DNA, but the result is the same.

VOA: special.2010.04.09

The researchers added the changed DNA to yeast -- a simple,single-cell organism.

VOA: special.2010.07.20

A chromosome contains molecules of deoxyribonucleic acid, better known as DNA.

VOA: special.2009.12.08

DNA methylation shows chemical changes in a person's deoxyribonucleic acid,or DNA.

VOA: special.2009.11.24

It's a temptation their curious minds can barely resist: "If we don't use human DNA now someone else will."

VOA: standard.2010.06.09

So if you can somehow upload a message into DNA, it could last a very,very long time,indeed."

VOA: standard.2010.04.16

A DNA-based vaccine wouldn't have to be grown in chicken eggs, doing away with the time-consuming and finicky manufacturing process of the current flu vaccine.

VOA: standard.2010.07.21

A more intriguing possibility is that our genetic makeup includes a signal encoded by aliens in our DNA that might have been left hundreds of millions of years ago.

VOA: standard.2010.04.16

Though a large percentage of those victims are yet to be identified, DNA testing is making it increasingly possible to determine the identity of remains found in unmarked graves.

VOA: standard.2009.12.18