This first experiment, however, had engaged only the animals' spinal cords.

ECONOMIST: An experiment on rats brings hope to the paralysed

It almost felt like a sociological experiment designed to prove the obvious: that readers are herd animals, that heat begets heat.

NEWYORKER: Search and Destroy

The directive - which replaces laws in place since 1986 - would prevent experiments using animals from going ahead without prior authorisation, including an assessment of the ethical implications of the experiment.

BBC: Animal welfare laws