Underlying many of our mistaken beliefs about animal intelligence is the problem of negative evidence.

WSJ: The Brains of the Animal Kingdom

So far, says Chief Scientific Officer David Stirling , Revimid does not cause such birth defects in New Zealand rabbits--the only animal model in which the Thalomid problem shows up.

FORBES: Magazine Article

The British Government was sufficiently concerned about the problem to ban the use of human antibiotics as animal growth promoters.

BBC: Animals and antibiotics: the risks