Soil samples from under the house showed similar chemicals.

If a similar chemical caused Parkinson's disease in people, the researchers thought, they had a clue to preventing the disease.

Members of each family have very similar chemical and physical properties.

Terrorists have used a similar chemical against the general populace in Japan.

It doesn't react with water like other similar chemicals.

The smell normally known as "sulfur" comes from hydrogen sulfide and similar chemicals.

There is a concern that this might also occur with propionyl-L-carnitine, because it is a similar chemical.

To achieve this, isotopes are used because they have similar chemical and biological characteristics.

This, they say, should make it possible to find similar chemicals based on more abundant, less expensive material.

It has also been shown that neurotransmitters and similar chemicals influence freezing behavior as well.