Sniffer dogs have been used to detect drugs, bombs, chemicals and track people, but the future may have dogs sniffing our butts. Research is currently underway to discover if dogs' advanced sense of smell can detect prostate cancer.

Okay, after reading a little further through the article, it does mention that the dogs are only sniffing urine samples, but I don't think that's anywhere near as funny, do you? Scientists just don't have the same sense of humour that they used to…