[Bob]

I find it incredible that dogs have developed their butt-sniffing of each other from an art into a science.

[ArrogantBustard]

It’s a win-win situation ... the dogs get to sniff poop, and the humans get a better shot at having their cancer cured.

[immadashell]

I find it incredible that dogs have developed their butt-sniffing of each other from an art into a science

I wonder if they can sniff out global warming also. That science would be superior to algore's.