Simply Put, The Smell of Death is Ancient

As long as animals have lived, they have died. And as long as animals have died, they have stunk. Livescience.com reports:

"Dead ants no longer smell like live ants, for example, and the result is they get carried out of the nest," found a study presented at the bacchanal otherwise known as an American Chemical Society meeting.

Hungover interns used needles to extract juice from dead cockroaches. The least you can do is check out the findings.