We even had a former Russian nuclear scientist testify before Congress about it.

But the scientist later testified that she had no record of the data and had submitted the information based on memory.

Several top nuclear scientists testified that the vast majority of the information was already in the public domain.

As scientists testified in the daylong hearing, the fishermen held up signs saying "wrong" and often jeered.

In a series of Congressional hearings last year, scientists testified that erosion threatened at least 70 percent of the coast.

Many top scientists, as well as government and military figures, testified on Oppenheimer's behalf.

In trials where such evidence is offered, judges generally hold a hearing out of the jury's presence at which scientists testify.

A scientist, Mr Elliott, testified that if she had loaded 18 cartridges into a magazine he would expect to see more lead on her hands.

Other scientists from the ERO testified in person.

Some scientists testified before Congress that because the algae die when the water gets too warm, human-induced global warming was a likely cause of the bleaching.