But they say some domestic groups have demonstrated the ability to use biological weapons, though not anthrax in particular.

Thus the group demonstrates the advantages of embracing new technologies.

This is what a group of researchers in the Netherlands has demonstrated.

If any group were demonstrating outside my office, I would feel that it was the right thing to listen to them.

Local groups must similarly demonstrate their presence in the specific community.

But last year, neither group could demonstrate an effect.

The same group updated their data in 2007 and demonstrated similar findings.

Small groups demonstrated in central Algiers for about three hours.

What are the sites that this group has demonstrated they enjoy interacting with?

One group has demonstrated outside his house since his return.