Life's Little Mysteries answers fascinating questions about the world around you and the stuff in it, from things in the news and on your mind to crazy questions you didn't even know you had.
Turns out a little disgust is good for you.
Dogs can be trained to be cancer-sniffing wizards, detecting cancerous fumes wafting from diseased cells. This sniffing could help diagnose people, which begs the question: why aren't dogs screening us for cancer right now?
For dog owners, the following scenario may be all too familiar: You get home from a long day of work only to find your favorite slippers in tatters on the floor, scattered pieces of foam torn from the sofa cushions and teeth marks on your chair.