And the arena of investigation ranges from high-tech brain imaging centers to breakfast brainstorms, from monkey experiments to thought experiments.

The monkey experiments were carried out under controlled laboratory conditions that did not replicate the dynamics of sexual activity.

The report of the monkey experiments has been accepted for publication in July by the Journal of Experimental Medicine.

If the monkey experiments failed, Gajdusek and Gibbs would have no way of testing the theory further.

But she said that the killed vaccine used in the monkey experiments would have to be made more potent to offer hope for humans.

Others were not so sure that the monkey experiment foretold human genetic engineering.

Economist article on monkey experiments showing behaviours resembling risk aversion (requires a paid subscription to economist.com)

We don't have a lot of monkey experiments to call upon here.

In Harlow's monkey experiment, newborn monkeys were separated from their mothers almost immediately after birth.

Everyone says I am doing my monkey experiments on people - and I really am.