Found on Boingboing: The staff of a giant panda preserve in China is going to rather extreme lengths to keep their hairy charges free from exposure to unexpected visitors:

Researchers performing physical examinations on the cub wear panda costumes to ensure that the cub’s environment is devoid of human influence, according to local media.

Truly this is the greatest scientific accomplishment in the history of ever. Thank you, happy mutants, for bringing this to my attention. I can’t wait to try this with the dog.