A separate study found no support for a theory that a biomarker called C-reactive protein causes heart disease.

VOA: special.2009.07.15

Recent studies also support a theory that a combination of genes is linked to the development of lupus.

VOA: special.2009.04.14

The researchers had a theory. They thought that people who were bitten by infected mosquitoes, but recovered, were protected in the future.

VOA: special.2009.01.27

This would support a theory that the fish became poisoned in coastal waters before entering the harbor.

VOA: special.2011.03.15

In it,he developed a theory that intelligent life had created waterways all over the surface of Mars.

VOA: special.2010.07.11

Still,a theory exists that amyloid plaques are an effect of the disease, not the cause.

VOA: special.2009.09.15

Williamson developed a theory where business firms can serve as structures to resolve conflicts.

VOA: standard.2009.10.12

One argument against the comet theory is that a comet would have left a large hole in the Earth's surface.

VOA: special.2009.01.20

In nineteen eighty-two, American researchers James Wilson and George Kelling wrote a report describing what they called the broken windows theory.

VOA: special.2009.03.03

And she explains the theory of evolution through natural selection in a way that both children and adults will enjoy.

VOA: special.2009.02.27

Studies support the theory that there are several causes, instead of a single environmental cause or genetic problem.

VOA: special.2009.01.06

The most interesting theory about the Lost Colony started with a rock found in nineteen thirty-seven.

VOA: special.2009.08.17

We tell about a new children's book on Charles Darwin and his famous theory .

VOA: special.2009.02.27

But Professor Gaechter says his team's theory was that punishment has only low costs because it needs to be used rarely and works as a threat.

VOA: special.2009.03.03