But natural selection has stood the test of time as a basis for the science of biology.

VOA: special.2009.12.01

And as each study does more detailed analyses of special groups or a different way of making the measurements, it just makes the scientific basis for this relationship a lot more convincing."

VOA: special.2011.07.27

He and his Thiel Foundation just announced the first group of what they call "We selected people on the basis of a combination of having demonstrated intense passion about science and technology and then having the drive to try to carry it forward in the years ahead."

VOA: special.2011.05.30

Their work reveals a lot about songbird genetics, and opens a new door to understanding the basis of human speech.

VOA: standard.2010.04.05

Doug Goudey prepares the antique cars used in the recreation We do have a couple of cars that come here on a regular basis.

VOA: standard.2009.12.25

"We are seeing a lot of actions to try to help solve the conflict in the Middle East on the basis of two-state solution."

VOA: standard.2009.04.24

"Being physically active on a regular basis is a difficult thing, but the MyActivity Pryamid offers adults a variety of ways that they can reach these recommendations for health and improving the quality of life."

VOA: standard.2010.02.26

The war was sold to his cabinet, to parliament and to the British people on the basis that Saddam Hussein was a dangerous man holding weapons of mass destruction (WMDs) that could be unleashed within 45 minutes.

VOA: standard.2009.12.13

"We have to improve health care in general for everyday need and everyday purposes and if it does not work on an everyday basis of course in a crisis or in a disaster it is not going to suddenly work better,".

VOA: standard.2009.10.14

"At a per-passenger-mile basis, rail is about three times as efficient as travel by car, in terms of fuel efficiency, and six times as efficient as travel by air, so there are pretty substantial pollution reduction benefits both in terms of greenhouse gases and other pollutants."

VOA: standard.2010.02.15

"I'd have to say that equally on both sides of the coin, my successes with regards to my science are the discovery of the genetic basis of a number of different human skin diseases, using very unconventional approaches, which are now approaches in medical textbooks, but at the time, they were very unconventional."

VOA: standard.2010.03.29