Yahoo! gets to the bottom of why dogs sniff other dogs’ butts

Once again, Yahoo! goes where other media outlets fear to tread. “Why do dogs sniff each other?” wonders a recent Ask Yahoo! question. A perfectly reasonable question for Yahoo!’s crack team of experts to sort out. And they do: “Such behavior would not go over well in the human world,” they helpfully point out, “but in the canine community, it’s standard operating procedure. … A sniff of the rear tells a dog all sorts of things, including what the other dog likes to eat,”—ugh, grody—“its general health, and if a female pooch is pregnant.”