The most callous, stupid things were done just because regulations required them...It was not until 1983, for example, that U.S. federal agencies stated that substances known to be caustic irritants such as lye, ammonia, and oven cleaners, did not need to be tested on the eyes of conscious rabbits.

Interest in business ethics courses has surged, and student activities at leading business schools are more focused than ever before on making business serve long-term social values.

Knowing that we can control our own behaviour makes it more likely that we will.

My work is based on the assumption that clarity and consistency in our moral thinking is likely, in the long run, to lead us to hold better views on ethical issues.

Dolphins are social mammals, capable of enjoying their lives. They form close bonds with other members of their group.

As for cages themselves, an ordinary citizen who kept dogs in similar conditions for their entire lives would risk prosecution for cruelty. A pig producer who keeps an animal of comparable intelligence in this manner, however, is more likely to be rewarded with a tax concession or, in some countries, a direct government subsidy.

An animal experiment cannot be justifiable unless the experiment is so important that the use of a brain-damaged human would be justifiable.