The scientist pointed with his pencil to a very small hole in the base.

Some scientists have pointed to a recent brightening of the sun as an important contributory factor to global warming.

The scientists also pointed to animal studies, done in the 1960's, suggesting that the foam causes cancer.

Other scientists point to the prospect of intensified droughts and floods.

For more than 50 years, scientists have pointed to high cholesterol levels as a risk factor for heart disease.

Up ahead, the three scientists and Gennaro were talking and pointing, clearly excited.

I think that is it over there," and the scientist pointed to a distant snow-capped peak.

Historians and political scientists point to a variety of factors to explain Honduras' emergence from the 1980s revolution-free.

Some scientists point to the marijuana pipe as an African origin of hookah.

Popular opinion in the world of science is starting to lean toward "yes," as scientists point to ongoing changes in our genes.