http://www.aolnews.com/nation/article/doctors-book-profiles-furry-angel-of-death...

   This is a wonderful story. Although Dr. Dosa thinks it could be due to sense of smell that gives Oscar the talent for knowing when death is near, I feel that it's more than physical capabilities being used by Oscar.

   All through history, reports of cats having psychic capabilities have been reported. Here is a good article with more about this:
http://www.suite101.com/article.cfm/paranormal_realm/118576

   It could be physical skills, psychic skills, or even spiritual powers that some cats possess. Over 5000 years ago, ancient Egyptians worshipped the half cat/half human daughter of Ra named Bast:
http://www.moggies.co.uk/bastet/bastet.html
Since they considered all cats to be sacred animals, they must have known that cats are more than meets the eye.